The facade of the structure shall incorporate window styles, including but not included to double-hung, casement, fixed, sliding, basement, awning, bay, bow, gothic and Palladian. Exterior siding materials shall consist of nonreflective material customarily used for conventional dwellings, including but not limited to wood shingles, wood shakes, vinyl, plywood, clapboard, aluminum, brick veneer, stone veneer, stucco, brick-face stucco or half timbering. Entrances may include pilasters and pediments.