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. residential structures
9. dwellings
10. [housing by ownership]
11. communal housing

Anotations

Scope note:

Housing to accommodate a semi-independent group living arrangement, providing support services to specific populations, such as seniors or people with disabilities, who wish to live independently. Typically there is shared common space and services such as housekeeping, transportation, and social activities, but not personal care; term has been used in the United States since the 1960s.