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. religious building fixtures
9. [altars and altar components]
10. altars (religious fixtures)
11. freestanding altars

Anotations

Scope note:

Open-air structures, usually with stepped bases, constructed for the maintenance and worship of the sacred fire in Zoroastrianism and like religions. For buildings constructed for similar purposes, use "fire temples."