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. declaratory documents

Anotations

Scope note:

Documents containing affirmation of person's character or the value of a thing. Specifically, written declarations stating an individual's achievements or the usefulness of a product or service, such as a letter of endorsement.