Hierarchy classification:

1. top of the aat hierarchies
2. Objects Facet
3. Built Environment (hierarchy name)
4. Single Built Works (hierarchy name)
5. single built works (built environment)
6. [single built works by specific type]
7. [single built works by function]
8. ceremonial structures
9. funerary structures
10. sepulchral monuments

Additional parents:

1. top of the aat hierarchies
2. Objects Facet
3. Visual and Verbal Communication
4. Visual Works
5. visual works
6. visual works by material or technique
7. sculpture
8. sculpture by function
9. funerary sculpture

Anotations

Scope note:

Flat slabs of stone or metal that cover a tomb or coffin, typically in an interior space and often bearing sculpted images; often installed flush with the pavement of a building. For a vertical freestanding or horizontal memorial stone placed over a grave outdoors, use "tombstone."