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 material or technique]
7. drawings (visual works)
8. [drawings by material or technique]

Anotations

Scope note:

Architectural drawings or drawings of other subjects, characterized by the depiction of shadows, textures, sometimes colors, often executed with watercolor washes, and showing some setting. Intended as visualizations of the full conception of a project or as an accurate record of the work depicted.