368277002: gehele huid van palmair oppervlak van digitus II van hand (lichaamsstructuur)

SNOMED CT Concept\Body structure\Anatomical or acquired body structure (body structure)\Anatomical structure\...

\Body organ structure\Organ part\Skin part\Structure of skin region\Skin structure of extremity\Skin structure of upper limb (body structure)\Skin of part of upper limb\Skin structure of free upper limb (body structure)\Skin structure of wrist and/or hand (body structure)\Skin of part of wrist and hand\Skin structure of hand\Skin of part of hand\Skin structure of digit of hand (body structure)\Skin structure of part of digit of hand\Skin of part of finger (body structure)\Skin of part of index finger\Skin structure of palmar surface of index finger (body structure)\Entire skin of palmar surface of index finger
\Body organ structure\Organ part\Skin part\Structure of skin region\Skin structure of extremity\Skin structure of upper limb (body structure)\Skin of part of upper limb\Skin structure of free upper limb (body structure)\Skin structure of wrist and/or hand (body structure)\Skin of part of wrist and hand\Skin structure of hand\Skin of part of hand\Skin structure of digit of hand (body structure)\Skin structure of part of digit of hand\Skin of part of finger (body structure)\Skin structure of palmar surface of finger\Entire skin of palmar surface of finger\Entire skin of palmar surface of index finger
\Body organ structure\Organ part\Skin part\Structure of skin region\Skin structure of extremity\Skin structure of upper limb (body structure)\Skin of part of upper limb\Skin structure of free upper limb (body structure)\Skin structure of wrist and/or hand (body structure)\Skin of part of wrist and hand\Skin structure of hand\Skin of part of hand\Skin structure of digit of hand (body structure)\Skin structure of part of digit of hand\Skin of part of finger (body structure)\Skin structure of palmar surface of finger\Skin structure of palmar surface of index finger (body structure)\Entire skin of palmar surface of index finger
\Body organ structure\Organ part\Skin part\Structure of skin region\Skin structure of extremity\Skin structure of upper limb (body structure)\Skin of part of upper limb\Skin structure of free upper limb (body structure)\Skin structure of wrist and/or hand (body structure)\Skin of part of wrist and hand\Skin structure of hand\Skin of part of hand\Skin structure of digit of hand (body structure)\Skin of finger\Skin of part of finger (body structure)\Skin of part of index finger\Skin structure of palmar surface of index finger (body structure)\Entire skin of palmar surface of index finger
\Body organ structure\Organ part\Skin part\Structure of skin region\Skin structure of extremity\Skin structure of upper limb (body structure)\Skin of part of upper limb\Skin structure of free upper limb (body structure)\Skin structure of wrist and/or hand (body structure)\Skin of part of wrist and hand\Skin structure of hand\Skin of part of hand\Skin structure of digit of hand (body structure)\Skin of finger\Skin of part of finger (body structure)\Skin structure of palmar surface of finger\Entire skin of palmar surface of finger\Entire skin of palmar surface of index finger
\Body organ structure\Organ part\Skin part\Structure of skin region\Skin structure of extremity\Skin structure of upper limb (body structure)\Skin of part of upper limb\Skin structure of free upper limb (body structure)\Skin structure of wrist and/or hand (body structure)\Skin of part of wrist and hand\Skin structure of hand\Skin of part of hand\Skin structure of digit of hand (body structure)\Skin of finger\Skin of part of finger (body structure)\Skin structure of palmar surface of finger\Skin structure of palmar surface of index finger (body structure)\Entire skin of palmar surface of index finger
\Body organ structure\Organ part\Skin part\Structure of skin region\Skin structure of extremity\Skin structure of upper limb (body structure)\Skin of part of upper limb\Skin structure of free upper limb (body structure)\Skin structure of wrist and/or hand (body structure)\Skin of part of wrist and hand\Skin structure of hand\Skin of part of hand\Skin structure of digit of hand (body structure)\Skin of finger\Skin structure of index finger\Skin of part of index finger\Skin structure of palmar surface of index finger (body structure)\Entire skin of palmar surface of index finger
\Body organ structure\Organ part\Skin part\Structure of skin region\Skin structure of extremity\Skin of part of limb\Skin of part of upper limb\Skin structure of free upper limb (body structure)\Skin structure of wrist and/or hand (body structure)\Skin of part of wrist and hand\Skin structure of hand\Skin of part of hand\Skin structure of digit of hand (body structure)\Skin structure of part of digit of hand\Skin of part of finger (body structure)\Skin of part of index finger\Skin structure of palmar surface of index finger (body structure)\Entire skin of palmar surface of index finger
\Body organ structure\Organ part\Skin part\Structure of skin region\Skin structure of extremity\Skin of part of limb\Skin of part of upper limb\Skin structure of free upper limb (body structure)\Skin structure of wrist and/or hand (body structure)\Skin of part of wrist and hand\Skin structure of hand\Skin of part of hand\Skin structure of digit of hand (body structure)\Skin structure of part of digit of hand\Skin of part of finger (body structure)\Skin structure of palmar surface of finger\Entire skin of palmar surface of finger\Entire skin of palmar surface of index finger
\Body organ structure\Organ part\Skin part\Structure of skin region\Skin structure of extremity\Skin of part of limb\Skin of part of upper limb\Skin structure of free upper limb (body structure)\Skin structure of wrist and/or hand (body structure)\Skin of part of wrist and hand\Skin structure of hand\Skin of part of hand\Skin structure of digit of hand (body structure)\Skin structure of part of digit of hand\Skin of part of finger (body structure)\Skin structure of palmar surface of finger\Skin structure of palmar surface of index finger (body structure)\Entire skin of palmar surface of index finger
\Body organ structure\Organ part\Skin part\Structure of skin region\Skin structure of extremity\Skin of part of limb\Skin of part of upper limb\Skin structure of free upper limb (body structure)\Skin structure of wrist and/or hand (body structure)\Skin of part of wrist and hand\Skin structure of hand\Skin of part of hand\Skin structure of digit of hand (body structure)\Skin of finger\Skin of part of finger (body structure)\Skin of part of index finger\Skin structure of palmar surface of index finger (body structure)\Entire skin of palmar surface of index finger
\Body organ structure\Organ part\Skin part\Structure of skin region\Skin structure of extremity\Skin of part of limb\Skin of part of upper limb\Skin structure of free upper limb (body structure)\Skin structure of wrist and/or hand (body structure)\Skin of part of wrist and hand\Skin structure of hand\Skin of part of hand\Skin structure of digit of hand (body structure)\Skin of finger\Skin of part of finger (body structure)\Skin structure of palmar surface of finger\Entire skin of palmar surface of finger\Entire skin of palmar surface of index finger
\Body organ structure\Organ part\Skin part\Structure of skin region\Skin structure of extremity\Skin of part of limb\Skin of part of upper limb\Skin structure of free upper limb (body structure)\Skin structure of wrist and/or hand (body structure)\Skin of part of wrist and hand\Skin structure of hand\Skin of part of hand\Skin structure of digit of hand (body structure)\Skin of finger\Skin of part of finger (body structure)\Skin structure of palmar surface of finger\Skin structure of palmar surface of index finger (body structure)\Entire skin of palmar surface of index finger
\Body organ structure\Organ part\Skin part\Structure of skin region\Skin structure of extremity\Skin of part of limb\Skin of part of upper limb\Skin structure of free upper limb (body structure)\Skin structure of wrist and/or hand (body structure)\Skin of part of wrist and hand\Skin structure of hand\Skin of part of hand\Skin structure of digit of hand (body structure)\Skin of finger\Skin structure of index finger\Skin of part of index finger\Skin structure of palmar surface of index finger (body structure)\Entire skin of palmar surface of index finger
\Body organ structure\Organ part\Skin part\Structure of skin region\Skin structure of extremity\Skin of part of limb\Skin structure of digit (body structure)\Skin of part of digit\Skin structure of part of digit of hand\Skin of part of finger (body structure)\Skin of part of index finger\Skin structure of palmar surface of index finger (body structure)\Entire skin of palmar surface of index finger
\Body organ structure\Organ part\Skin part\Structure of skin region\Skin structure of extremity\Skin of part of limb\Skin structure of digit (body structure)\Skin of part of digit\Skin structure of part of digit of hand\Skin of part of finger (body structure)\Skin structure of palmar surface of finger\Entire skin of palmar surface of finger\Entire skin of palmar surface of index finger
\Body organ structure\Organ part\Skin part\Structure of skin region\Skin structure of extremity\Skin of part of limb\Skin structure of digit (body structure)\Skin of part of digit\Skin structure of part of digit of hand\Skin of part of finger (body structure)\Skin structure of palmar surface of finger\Skin structure of palmar surface of index finger (body structure)\Entire skin of palmar surface of index finger
\Body organ structure\Organ part\Skin part\Structure of skin region\Skin structure of extremity\Skin of part of limb\Skin structure of digit (body structure)\Skin structure of digit of hand (body structure)\Skin structure of part of digit of hand\Skin of part of finger (body structure)\Skin of part of index finger\Skin structure of palmar surface of index finger (body structure)\Entire skin of palmar surface of index finger
\Body organ structure\Organ part\Skin part\Structure of skin region\Skin structure of extremity\Skin of part of limb\Skin structure of digit (body structure)\Skin structure of digit of hand (body structure)\Skin structure of part of digit of hand\Skin of part of finger (body structure)\Skin structure of palmar surface of finger\Entire skin of palmar surface of finger\Entire skin of palmar surface of index finger
\Body organ structure\Organ part\Skin part\Structure of skin region\Skin structure of extremity\Skin of part of limb\Skin structure of digit (body structure)\Skin structure of digit of hand (body structure)\Skin structure of part of digit of hand\Skin of part of finger (body structure)\Skin structure of palmar surface of finger\Skin structure of palmar surface of index finger (body structure)\Entire skin of palmar surface of index finger
\Body organ structure\Organ part\Skin part\Structure of skin region\Skin structure of extremity\Skin of part of limb\Skin structure of digit (body structure)\Skin structure of digit of hand (body structure)\Skin of finger\Skin of part of finger (body structure)\Skin of part of index finger\Skin structure of palmar surface of index finger (body structure)\Entire skin of palmar surface of index finger
\Body organ structure\Organ part\Skin part\Structure of skin region\Skin structure of extremity\Skin of part of limb\Skin structure of digit (body structure)\Skin structure of digit of hand (body structure)\Skin of finger\Skin of part of finger (body structure)\Skin structure of palmar surface of finger\Entire skin of palmar surface of finger\Entire skin of palmar surface of index finger
\Body organ structure\Organ part\Skin part\Structure of skin region\Skin structure of extremity\Skin of part of limb\Skin structure of digit (body structure)\Skin structure of digit of hand (body structure)\Skin of finger\Skin of part of finger (body structure)\Skin structure of palmar surface of finger\Skin structure of palmar surface of index finger (body structure)\Entire skin of palmar surface of index finger
\Body organ structure\Organ part\Skin part\Structure of skin region\Skin structure of extremity\Skin of part of limb\Skin structure of digit (body structure)\Skin structure of digit of hand (body structure)\Skin of finger\Skin structure of index finger\Skin of part of index finger\Skin structure of palmar surface of index finger (body structure)\Entire skin of palmar surface of index finger
\Body organ structure\Skin structure\Skin part\Structure of skin region\Skin structure of extremity\Skin structure of upper limb (body structure)\Skin of part of upper limb\Skin structure of free upper limb (body structure)\Skin structure of wrist and/or hand (body structure)\Skin of part of wrist and hand\Skin structure of hand\Skin of part of hand\Skin structure of digit of hand (body structure)\Skin structure of part of digit of hand\Skin of part of finger (body structure)\Skin of part of index finger\Skin structure of palmar surface of index finger (body structure)\Entire skin of palmar surface of index finger
\Body organ structure\Skin structure\Skin part\Structure of skin region\Skin structure of extremity\Skin structure of upper limb (body structure)\Skin of part of upper limb\Skin structure of free upper limb (body structure)\Skin structure of wrist and/or hand (body structure)\Skin of part of wrist and hand\Skin structure of hand\Skin of part of hand\Skin structure of digit of hand (body structure)\Skin structure of part of digit of hand\Skin of part of finger (body structure)\Skin structure of palmar surface of finger\Entire skin of palmar surface of finger\Entire skin of palmar surface of index finger
\Body organ structure\Skin structure\Skin part\Structure of skin region\Skin structure of extremity\Skin structure of upper limb (body structure)\Skin of part of upper limb\Skin structure of free upper limb (body structure)\Skin structure of wrist and/or hand (body structure)\Skin of part of wrist and hand\Skin structure of hand\Skin of part of hand\Skin structure of digit of hand (body structure)\Skin structure of part of digit of hand\Skin of part of finger (body structure)\Skin structure of palmar surface of finger\Skin structure of palmar surface of index finger (body structure)\Entire skin of palmar surface of index finger
\Body organ structure\Skin structure\Skin part\Structure of skin region\Skin structure of extremity\Skin structure of upper limb (body structure)\Skin of part of upper limb\Skin structure of free upper limb (body structure)\Skin structure of wrist and/or hand (body structure)\Skin of part of wrist and hand\Skin structure of hand\Skin of part of hand\Skin structure of digit of hand (body structure)\Skin of finger\Skin of part of finger (body structure)\Skin of part of index finger\Skin structure of palmar surface of index finger (body structure)\Entire skin of palmar surface of index finger
\Body organ structure\Skin structure\Skin part\Structure of skin region\Skin structure of extremity\Skin structure of upper limb (body structure)\Skin of part of upper limb\Skin structure of free upper limb (body structure)\Skin structure of wrist and/or hand (body structure)\Skin of part of wrist and hand\Skin structure of hand\Skin of part of hand\Skin structure of digit of hand (body structure)\Skin of finger\Skin of part of finger (body structure)\Skin structure of palmar surface of finger\Entire skin of palmar surface of finger\Entire skin of palmar surface of index finger
\Body organ structure\Skin structure\Skin part\Structure of skin region\Skin structure of extremity\Skin structure of upper limb (body structure)\Skin of part of upper limb\Skin structure of free upper limb (body structure)\Skin structure of wrist and/or hand (body structure)\Skin of part of wrist and hand\Skin structure of hand\Skin of part of hand\Skin structure of digit of hand (body structure)\Skin of finger\Skin of part of finger (body structure)\Skin structure of palmar surface of finger\Skin structure of palmar surface of index finger (body structure)\Entire skin of palmar surface of index finger
\Body organ structure\Skin structure\Skin part\Structure of skin region\Skin structure of extremity\Skin structure of upper limb (body structure)\Skin of part of upper limb\Skin structure of free upper limb (body structure)\Skin structure of wrist and/or hand (body structure)\Skin of part of wrist and hand\Skin structure of hand\Skin of part of hand\Skin structure of digit of hand (body structure)\Skin of finger\Skin structure of index finger\Skin of part of index finger\Skin structure of palmar surface of index finger (body structure)\Entire skin of palmar surface of index finger
\Body organ structure\Skin structure\Skin part\Structure of skin region\Skin structure of extremity\Skin of part of limb\Skin of part of upper limb\Skin structure of free upper limb (body structure)\Skin structure of wrist and/or hand (body structure)\Skin of part of wrist and hand\Skin structure of hand\Skin of part of hand\Skin structure of digit of hand (body structure)\Skin structure of part of digit of hand\Skin of part of finger (body structure)\Skin of part of index finger\Skin structure of palmar surface of index finger (body structure)\Entire skin of palmar surface of index finger
\Body organ structure\Skin structure\Skin part\Structure of skin region\Skin structure of extremity\Skin of part of limb\Skin of part of upper limb\Skin structure of free upper limb (body structure)\Skin structure of wrist and/or hand (body structure)\Skin of part of wrist and hand\Skin structure of hand\Skin of part of hand\Skin structure of digit of hand (body structure)\Skin structure of part of digit of hand\Skin of part of finger (body structure)\Skin structure of palmar surface of finger\Entire skin of palmar surface of finger\Entire skin of palmar surface of index finger
\Body organ structure\Skin structure\Skin part\Structure of skin region\Skin structure of extremity\Skin of part of limb\Skin of part of upper limb\Skin structure of free upper limb (body structure)\Skin structure of wrist and/or hand (body structure)\Skin of part of wrist and hand\Skin structure of hand\Skin of part of hand\Skin structure of digit of hand (body structure)\Skin structure of part of digit of hand\Skin of part of finger (body structure)\Skin structure of palmar surface of finger\Skin structure of palmar surface of index finger (body structure)\Entire skin of palmar surface of index finger
\Body organ structure\Skin structure\Skin part\Structure of skin region\Skin structure of extremity\Skin of part of limb\Skin of part of upper limb\Skin structure of free upper limb (body structure)\Skin structure of wrist and/or hand (body structure)\Skin of part of wrist and hand\Skin structure of hand\Skin of part of hand\Skin structure of digit of hand (body structure)\Skin of finger\Skin of part of finger (body structure)\Skin of part of index finger\Skin structure of palmar surface of index finger (body structure)\Entire skin of palmar surface of index finger
\Body organ structure\Skin structure\Skin part\Structure of skin region\Skin structure of extremity\Skin of part of limb\Skin of part of upper limb\Skin structure of free upper limb (body structure)\Skin structure of wrist and/or hand (body structure)\Skin of part of wrist and hand\Skin structure of hand\Skin of part of hand\Skin structure of digit of hand (body structure)\Skin of finger\Skin of part of finger (body structure)\Skin structure of palmar surface of finger\Entire skin of palmar surface of finger\Entire skin of palmar surface of index finger
\Body organ structure\Skin structure\Skin part\Structure of skin region\Skin structure of extremity\Skin of part of limb\Skin of part of upper limb\Skin structure of free upper limb (body structure)\Skin structure of wrist and/or hand (body structure)\Skin of part of wrist and hand\Skin structure of hand\Skin of part of hand\Skin structure of digit of hand (body structure)\Skin of finger\Skin of part of finger (body structure)\Skin structure of palmar surface of finger\Skin structure of palmar surface of index finger (body structure)\Entire skin of palmar surface of index finger
\Body organ structure\Skin structure\Skin part\Structure of skin region\Skin structure of extremity\Skin of part of limb\Skin of part of upper limb\Skin structure of free upper limb (body structure)\Skin structure of wrist and/or hand (body structure)\Skin of part of wrist and hand\Skin structure of hand\Skin of part of hand\Skin structure of digit of hand (body structure)\Skin of finger\Skin structure of index finger\Skin of part of index finger\Skin structure of palmar surface of index finger (body structure)\Entire skin of palmar surface of index finger
\Body organ structure\Skin structure\Skin part\Structure of skin region\Skin structure of extremity\Skin of part of limb\Skin structure of digit (body structure)\Skin of part of digit\Skin structure of part of digit of hand\Skin of part of finger (body structure)\Skin of part of index finger\Skin structure of palmar surface of index finger (body structure)\Entire skin of palmar surface of index finger
\Body organ structure\Skin structure\Skin part\Structure of skin region\Skin structure of extremity\Skin of part of limb\Skin structure of digit (body structure)\Skin of part of digit\Skin structure of part of digit of hand\Skin of part of finger (body structure)\Skin structure of palmar surface of finger\Entire skin of palmar surface of finger\Entire skin of palmar surface of index finger
\Body organ structure\Skin structure\Skin part\Structure of skin region\Skin structure of extremity\Skin of part of limb\Skin structure of digit (body structure)\Skin of part of digit\Skin structure of part of digit of hand\Skin of part of finger (body structure)\Skin structure of palmar surface of finger\Skin structure of palmar surface of index finger (body structure)\Entire skin of palmar surface of index finger
\Body organ structure\Skin structure\Skin part\Structure of skin region\Skin structure of extremity\Skin of part of limb\Skin structure of digit (body structure)\Skin structure of digit of hand (body structure)\Skin structure of part of digit of hand\Skin of part of finger (body structure)\Skin of part of index finger\Skin structure of palmar surface of index finger (body structure)\Entire skin of palmar surface of index finger
\Body organ structure\Skin structure\Skin part\Structure of skin region\Skin structure of extremity\Skin of part of limb\Skin structure of digit (body structure)\Skin structure of digit of hand (body structure)\Skin structure of part of digit of hand\Skin of part of finger (body structure)\Skin structure of palmar surface of finger\Entire skin of palmar surface of finger\Entire skin of palmar surface of index finger
\Body organ structure\Skin structure\Skin part\Structure of skin region\Skin structure of extremity\Skin of part of limb\Skin structure of digit (body structure)\Skin structure of digit of hand (body structure)\Skin structure of part of digit of hand\Skin of part of finger (body structure)\Skin structure of palmar surface of finger\Skin structure of palmar surface of index finger (body structure)\Entire skin of palmar surface of index finger
\Body organ structure\Skin structure\Skin part\Structure of skin region\Skin structure of extremity\Skin of part of limb\Skin structure of digit (body structure)\Skin structure of digit of hand (body structure)\Skin of finger\Skin of part of finger (body structure)\Skin of part of index finger\Skin structure of palmar surface of index finger (body structure)\Entire skin of palmar surface of index finger
\Body organ structure\Skin structure\Skin part\Structure of skin region\Skin structure of extremity\Skin of part of limb\Skin structure of digit (body structure)\Skin structure of digit of hand (body structure)\Skin of finger\Skin of part of finger (body structure)\Skin structure of palmar surface of finger\Entire skin of palmar surface of finger\Entire skin of palmar surface of index finger
\Body organ structure\Skin structure\Skin part\Structure of skin region\Skin structure of extremity\Skin of part of limb\Skin structure of digit (body structure)\Skin structure of digit of hand (body structure)\Skin of finger\Skin of part of finger (body structure)\Skin structure of palmar surface of finger\Skin structure of palmar surface of index finger (body structure)\Entire skin of palmar surface of index finger
\Body organ structure\Skin structure\Skin part\Structure of skin region\Skin structure of extremity\Skin of part of limb\Skin structure of digit (body structure)\Skin structure of digit of hand (body structure)\Skin of finger\Skin structure of index finger\Skin of part of index finger\Skin structure of palmar surface of index finger (body structure)\Entire skin of palmar surface of index finger

Status: current, Not sufficiently defined by necessary conditions definition status (core metadata concept). Date: 31-Jan 2002. Module: SNOMED CT core

Descriptions:

Expanded Value Set

Outbound Relationships	Type	Target	Active	Characteristic	Refinability	Group	Values
Entire skin of palmar surface of index finger	Is a	Entire skin of palmar surface of finger	true	Inferred relationship	Some
Entire skin of palmar surface of index finger	Is a	Skin structure of palmar surface of index finger (body structure)	true	Inferred relationship	Some
Entire skin of palmar surface of index finger	Part of	Palmar surface of index finger (surface region)	false	Additional relationship	Some
Entire skin of palmar surface of index finger	Part of	Entire skin	false	Inferred relationship	Some
Entire skin of palmar surface of index finger	Part of	Entire skin of finger	false	Additional relationship	Some
Entire skin of palmar surface of index finger	Laterality	Side	true	Inferred relationship	Some

Inbound Relationships

Type

Active

Source

Characteristic

Refinability

Group

Reference Sets

Lateralizable body structure reference set (foundation metadata concept)

Back to Start

Id	Description	Lang	Type	Status	Case?	Module
507998011	Entire skin of palmar surface of index finger	en	Synonym (core metadata concept)	Active	Entire term case insensitive (core metadata concept)	SNOMED CT core
831026010	Entire skin of palmar surface of index finger (body structure)	en	Fully specified name	Active	Entire term case insensitive (core metadata concept)	SNOMED CT core
7459181000146119	gehele huid van palmair oppervlak van digitus II van hand (lichaamsstructuur)	nl	Fully specified name	Active	Only initial character case insensitive (core metadata concept)	SNOMED CT Netherlands NRC maintained module (core metadata concept)
7459191000146117	gehele huid van palmair oppervlak van digitus II van hand	nl	Synonym (core metadata concept)	Active	Only initial character case insensitive (core metadata concept)	SNOMED CT Netherlands NRC maintained module (core metadata concept)
7459201000146115	gehele huid van palmaire zijde van digitus manus II	nl	Synonym (core metadata concept)	Active	Only initial character case insensitive (core metadata concept)	SNOMED CT Netherlands NRC maintained module (core metadata concept)
7459211000146118	gehele palmaire huid van digitus secundus manus	nl	Synonym (core metadata concept)	Active	Entire term case insensitive (core metadata concept)	SNOMED CT Netherlands NRC maintained module (core metadata concept)
7459221000146111	gehele huid van volair oppervlak van wijsvinger	nl	Synonym (core metadata concept)	Active	Entire term case insensitive (core metadata concept)	SNOMED CT Netherlands NRC maintained module (core metadata concept)
7459231000146113	gehele huid van palmair oppervlak van index	nl	Synonym (core metadata concept)	Active	Entire term case insensitive (core metadata concept)	SNOMED CT Netherlands NRC maintained module (core metadata concept)