As used in this article, the following terms shall have the meanings indicated:
GROSS BUILDING AREAThe gross building floor area of the buildings on the property. The gross building area shall include all enclosed floor areas on all floors for residences, accessory buildings and garages. The gross building area shall not include open porches, unfinished attics, basements, decks or patios.
SIDE YARD SETBACKThe minimum dimension between a building or structure and the side property line.