| edge(border, borderline, frontier, limits, limitations) |
| habitat(situation, status, setting, surroundings) |
| limit(noun, area, scope, range, edge) |
| nearness(noun, area, part, block, community) |
| outposts |
| part(noun, area, block, community, zone) |
| perimeter(noun, area, line, limit, scope) |
| periphery(noun, area, line, limit, scope) |
| place |
| propinquity(noun, area, part, block, community) |
| proximity(noun, area, part, block, community) |
| section(noun, area, part, block, community) |
| site |
| skirt(noun, edge, border, borderline, frontier) |
| space |
| terrain(situation, status, setting, surroundings, limits) |
| zone(noun, area, part, block, scope) |
| adjacency(noun, area, part, block, community) |
| air space |
| airspace |