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. sections (orthographic projections)

Anotations

Scope note:

Orthographic drawings in which a symmetrical object is cut away so that one half of it is shown as an exterior elevation and the other as a section. For buildings thus represented, use "sectional elevations." For drawings of an incomplete section alone, use "partial sections."