dwelling or as a detached accessory structure subject to the following provisions: (a) Accessory dwelling units shall be located within the principal structure using a common entrance so that the principal structure retains the appearance of a
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 Lynchburg’s own text settles what this covers.