All planned neighborhood developments shall permit the following residential and accessory uses: 1. Detached single-family dwellings ; 2. Two-family dwellings (duplex); 3. Multifamily dwellings (multiplex); 4. Townhouses with a maximum of eight units per structure; 5. Accessory buildings
Read it in the chapter →How this ordinance defines it
The operative definition is the local one. Codes routinely subdivide a category into tiers — “day care 2, family”, “group home 2” — and attach different permissions to each, so only Luray’s own text settles what this covers.