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. [structural elements and components for structural elements]
8. structural elements
9. [supporting and resisting elements]
10. foundations (structural elements)

Anotations

Scope note:

Bed or mattress, used to sleep. This term also designates the base of a feathered work, in which other feathers are placed. Finally, it refers to any base layer used to install the ixiptlah of a deity, the central figure of a ritual in postclassic central Mexico. This foundation could be composed of various materials, including sacrificial persons.