As used in this chapter, certain terms are defined as follows:
(a) "Sign" means any device designed to inform or attract the attention of persons whether on or off the premises on which the sign is located.
(b) "Freestanding ground sign" means a sign supported from the ground by one or more poles, uprights or braces, but not from a building or other structure.
(c) “Wall sign” means a sign erected parallel to the outside building wall and extending not more than eighteen inches from such wall, but which does not project above the roof line or beyond the building corner.
(d) "Projecting sign" means a sign erected on the outside building wall which projects at an angle therefrom.
(e) "Sign face area" measurement or calculation shall include all sign frame appurtenances, supports or structural members above the average finished grade at the sign base. Only one side of a double or multi-faced sign shall be used to calculate face area provided such sign faces are not joined at an angle greater than fifteen degrees.
(f) “Roof sign” means any sign placed or attached by any means to the roof of the building.
(g) "Billboard" means a freestanding sign or wall sign exceeding eighty-two and one-half square feet of face area.