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. enclosing structural elements
10. membrane structures
11. rooflike enclosing structures

Anotations

Scope note:

Cantilevered or suspended roofs over the entrances to buildings, of metal or metal and glass; in the 19th and 20th centuries, common over the entrances to theaters, casinos, and hotels to advertise entertainment. For smaller, often ornamental, rooflike structures at entrances, use "canopies (structural elements)."