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

Narrower term/s

• dogtooth courses
• ledgement tables
• sill courses

Anotations

Scope note:

Horizontal bands of masonry, generally narrower than other courses, extending across the face of a wall and in some instances continuing across piers or engaged columns; may be flush or projecting and may be flat surfaced, molded, or otherwise shaped.