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]

Additional parents:

1. top of the aat hierarchies
2. Objects Facet
3. Visual and Verbal Communication
4. Visual Works
5. visual works
6. visual works by location or context
7. murals

Anotations

Scope note:

Visual works that constitute deliberate pictures, diagrams, or other marks made directly on the surface of a wall using drawing tools and materials such as ink or graphite rather than paint.These most often dominate the entire surface of the wall. For paintings that are similar in execution, see "mural paintings."