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

Anotations

Scope note:

Raised structures, often canopied, on which the coffin or effigy of a deceased person lies or is carried in state. It is distinguished from a "bier," which is much smaller and simpler, and from a "castrum doloris," which is a structure that shelters the bier or catafalque.