Definitions. As used in this section, the following terms shall have the meanings indicated:
ACCESSORY BUILDING
A subordinate building, customarily found in connection with the principal structure and the use of which is purely incidental to the main building, that has a closed roof, that being a structure forming the upper covering of the subordinate building, shall include all permanent, portable, and temporary structures, excluding the primary structure (main building). This definition does not include campers or other motorized vehicles, nor does it include pergolas or other structures with an open roof of which at least 50% of the surface of the roof is open to the sky. Accessory buildings include, but are not limited to, detached garages, sheds, barns, gazebos, roofed patios, roofed decks, roofed swimming pools, and roofed hot tubs.
ACCESSORY STRUCTURE
A subordinate structure, the use of which is incidental to, and customarily found in connection with, the principal structure or use of the property, but which does not fit within the definition of an accessory building above and which does not contain a roof. Accessory structures include, but are not limited to, patios, decks (both detached and attached), pergolas, swimming pools, hot tubs, retaining walls, driveways, parking lots, sidewalks, detached stairways and lifts.