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. open spaces
6. [open spaces by function]
7. walkways

Anotations

Scope note:

Walkways bordered by formally planted trees, clipped hedges, or shrubs; usually found in formal gardens or parks. For wide, straight, usually tree-lined roads or approaches, use "avenues." For walkways or narrow streets between and behind buildings in an urban environment, use "alleys (streets)."