Hierarchy classification:

1. top of the aat hierarchies
2. Objects Facet
3. Built Environment (hierarchy name)
4. Open Spaces and Site Elements (hierarchy name )
5. site elements

Anotations

Scope note:

Boundaries delineating areas in which Orthodox Jews are permitted to perform certain activities otherwise forbidden on the Sabbath, such as carrying personal items outside one's home. Eruvin consist of existing demarcations, such as roads and canals, plus poles and wires added to complete the boundary.