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 form]

Additional parents:

1. top of the aat hierarchies
2. Objects Facet
3. Visual and Verbal Communication
4. Information Forms
5. information forms
6. document genres
7. documents by function
8. reference sources
9. controlled vocabularies

Anotations

Scope note:

In general, an orderly classification for a defined domain. More specifically, a classificatory nomenclatures of real objects, organisms, or phenomena, especially for living and extinct organisms.