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. elevations (orthographic projections)

Anotations

Scope note:

Orthographic drawings that show a structure as partly an exterior elevation and partly an interior elevation. If only a small portion of exterior is taken away, use "broken-out sections." For smaller, symmetrical objects shown as half exterior and half interior, use "half sections."