Delineation of the various residential areas indicating for each such area its general extent, size, number of bedrooms, and composition in terms of total number of dwelling units, approximate percentage allocation by dwelling unit type (i.e., single-family detached, duplex townhouse, garden apartments, high-rise); and general description of the intended market structure (i.e., luxury, middle income, moderate income, elderly units, family units, etc.); plus a calculation of the residential density in dwelling units per gross acre (total area including interior roadways) for each such area;