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. information artifacts
7. [information artifacts by function]
8. [declaratory and advertising artifacts]
9. posters

Anotations

Scope note:

Posters used in outdoor advertising and usually on billboards built for the purpose, that are approximately 9 by 20 feet, corresponding to 24 of the original one-sheet posters but today requiring fewer separate sheets.