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. baileys

Anotations

Scope note:

In complex castles, the spaces between the outer and inner walls that form courtyards bordering the central defenses of the castle, and that may house facilities for animal husbandry, storage, processing of materials, or gardens.