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. walls
12. [walls by location or context]
13. exterior walls
14. [façades and façade components]
15. façades

Anotations

Scope note:

Refers generally to façades constructed to conceal the shape or size of the buildings to which they are attached, as by exceeding them in height or width; if the intention is to give a more imposing appearance, use "false fronts."