Concept
SKOS Concept
Broader concepts are typically rendered as parents in a concept hierarchy (tree).
has broader
Relates a concept to a concept that is more general in meaning.
definition
A statement or formal explanation of the meaning of a concept.
is in scheme
Relates a resource (for example a concept) to a concept scheme in which it is included.
Narrower concepts are typically rendered as children in a concept hierarchy (tree).
has narrower
Relates a concept to a concept that is more specific in meaning.
A resource has no more than one value of skos:prefLabel per language tag, and no more than one value of skos:prefLabel without language tag.
The range of skos:prefLabel is the class of RDF plain literals.
skos:prefLabel, skos:altLabel and skos:hiddenLabel are pairwise disjoint properties.
preferred label
The preferred lexical label for a resource, in a given language.
Snow
Environmental entity
Ice sheet
Permafrost
[Wikipedia] The cryosphere is an all-encompassing term for those portions of Earth's surface where water is in solid form, including sea ice, lake ice, river ice, snow cover, glaciers, ice caps, ice sheets, and frozen ground (which includes permafrost).
Cryosphere
Glacier