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. [spanning and projecting structural elements]
10. [arches and arch components]
11. arches
12. [arches by form]

Additional parents:

1. top of the aat hierarchies
2. Objects Facet
3. Built Environment
4. Single Built Works
5. single built works
6. single built works by specific type
7. single built works by function
8. gate structures
9. quadrifrons

Anotations

Scope note:

Arches, typically monumental, that have two intersecting passageways and four façades. They are sometimes placed at crossroads and, in the context of ancient Roman architecture, were mainly popular in Africa and the eastern parts of the empire.