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. records (documents)
9. [records by form or function]
10. architectural records
11. contract documents
12. specifications

Anotations

Scope note:

Detailed and exact statements prescribing materials, dimensions, and workmanship for something to be built, installed, or manufactured, stipulating the use of proprietary products or processes without provision for substitution.