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 walls

Anotations

Scope note:

Barriers that surround a camp or settlement, or reinforce a defensive wall. They are typically composed of strong branches of trees placed upon a rampart, or they are made of a palisaded bank or mound, or a rampart of earth, sod, or stones.