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. [architectural elements by building type]
8. fortification elements
9. [defensive walls and defensive wall components]
10. defensive wall components

Anotations

Scope note:

Projecting series of corbels often surmounting the walls of later Medieval fortifications and carrying an overhanging portion of the stone floor of the rampart; also, the openings in the floor between the corbels for the delivery of missiles on the enemy below.