has broader
sub property of: broaderTransitive
definition: Relates a concept to a concept that is more general in meaning.
comment: Broader concepts are typically rendered as parents in a concept hierarchy (tree).

UNESCO Thesaurus
preferred label: Тезаурус ЮНЕСКО @ru
preferred label: Thésaurus de l'UNESCO @fr
preferred label: Tesauro de la UNESCO @es
type: ConceptScheme

has related
sub property of: semanticRelation
definition: Relates a concept to a concept with which there is an associative semantic relationship.
comment: skos:related is disjoint with skos:broaderTransitive

alternative label
sub property of: label
definition: An alternative lexical label for a resource.
comment: The range of skos:altLabel is the class of RDF plain literals.
comment: skos:prefLabel, skos:altLabel and skos:hiddenLabel are pairwise disjoint properties.

Concept
type: Class

preferred label
sub property of: label
definition: The preferred lexical label for a resource, in a given language.
comment: skos:prefLabel, skos:altLabel and skos:hiddenLabel are pairwise disjoint properties.
comment: The range of skos:prefLabel is the class of RDF plain literals.
comment: A resource has no more than one value of skos:prefLabel per language tag.

Ophthalmology
preferred label: Офтальмология @ru
preferred label: Oftalmología @es
preferred label: Ophtalmologie @fr
type: Concept
related: Eyesight

Biology
type: ConceptGroup
label: Биология @ru
label: Biología @es
label: Biologie @fr
member: Eyesight
notation: 2.70

is in scheme
definition: Relates a resource (for example a concept) to a concept scheme in which it is included.

Eyesight
broader: Sensory systems
alternative label: Eyes
alternative label: Oeil @fr
alternative label: Глаза @ru
alternative label: Vision @fr
alternative label: Visión @es
alternative label: Ojos @es
type: Concept
is in scheme: UNESCO Thesaurus
preferred label: Зрение @ru
preferred label: Vue @fr
preferred label: Vista @es
related: Ophthalmology
member of: Biology

Sensory systems
preferred label: Сенсорные системы @ru
preferred label: Sistema sensorial @es
preferred label: Système sensoriel @fr
type: Concept
narrower: Eyesight