Hierarchy classification:

1. top of the aat hierarchies
2. Objects Facet
3. Visual and Verbal Communication (hierarchy name)
4. Visual Works (hierarchy name)
5. visual works (works)
6. [visual works by form]
7. [visual works by form of image]
8. [images by method of representation]
9. [images by method of projection]
10. orthographic projections (images)
11. plans (orthographic projections)

Anotations

Scope note:

Ground plans that represent a horizontal section of a building, a site, a city, or occasionally, of an object. The term is used particularly in the context of 16th- to 18th-century drawings, and the meaning of the concept overlaps with "ground plans" and "plans (maps)."