Hierarchy classification:

1. top of the aat hierarchies
2. Objects Facet
3. Components (hierarchy name)
4. components (objects parts)
5. [components by specific context]
6. architectural elements
7. [structural elements and components for structural elements]
8. structural elements
9. enclosing structural elements
10. [walls and wall components]
11. wall components
12. [wall components by form or function]
13. courses

Anotations

Scope note:

May designate projecting masonry courses supported by a range of corbels, or ranges of corbels supporting cornices or other projecting courses, or ensembles of corbels and projecting courses; found especially in Medieval architecture.