2. The entire area represents a significant and distinguishable entity whose components may lack individual distinction.
The usage of structures within an urban residential zone may be regulated on a structure-by-structure basis, permitting a mixture of uses in the zone, including single-family and multifamily residential, retail, and service establishments, which stabilizes and protects the urban residential character of the area. The regulation of the usage of any structure shall be guided by the architecture, size, or traditional use of the building.