Hierarchy classification:

1. top of the aat hierarchies
2. Physical Attributes Facet
3. Attributes and Properties (hierarchy name)
4. [attributes and properties by specific type]
5. form attributes
6. [form attributes for architecture]
7. building plan attributes

Anotations

Scope note:

Plan with a quadratic naos that is divided by four columns or piers into nine bays, the inner five forming a cross shape, supporting a central dome; common in Byzantine and Eastern Orthodox architectural traditions.