Hierarchy classification:

1. top of the aat hierarchies
2. Objects Facet
3. Visual and Verbal Communication (hierarchy name)
4. Information Forms (hierarchy name)
5. information forms (objects)
6. document genres
7. [documents by function]
8. reference sources

Additional parents:

1. top of the aat hierarchies
2. Associated Concepts Facet
3. Associated Concepts
4. culture and related concepts
5. culture-related concepts
6. vocabulary

Anotations

Scope note:

Formal, machine-readable specifications of a conceptual model, in which concepts, properties, relationships, functions, constraints, and axioms are all explicitly defined. Refers to a compilation that is not technically a controlled vocabulary, but that uses one or more controlled vocabularies for a defined domain and expresses the vocabulary in a representative language that has a grammar for using vocabulary terms to express something meaningful. Ontologies generally divide their world into the following areas: individuals, classes, attributes, relations, and events. The grammar of the ontology links these areas together by formal constraints that determine how the vocabulary terms or phrases may be used together.