(a) Sign. A “sign” means any writing, pictorial representation, emblem, flag or any other figure or similar character which is a structure or part thereof or is attached to or painted on or in any means represented on a building or structure; and is used to announce, direct attention to, or advertise; and is visible from outside a building. When within a building, the sign shall include writing, representation, or other figure of similar character only when illuminated and/or located in a window. “Sign” includes “billboard” but does not include the flag, pennant, or insignia of any nation, state, city or other political unit, or any political, educational, charitable, philanthropic, civic, professional, religious or like campaign, drive, movement or event. Further, this definition shall not be held to include any board, sign or surface used to display any official notices, issued by any court or public office or posted by a public officer in the performance of a public duty.
(b) Sign, Area Of. “Sign, area of” means the total exterior surface computed in square feet of a sign having but one exposed exterior surface; one-half the total of the exposed exterior surface computed in square feet of a sign having more than one such surface.
(c) Sign, Advertising. “Sign, advertising” means a sign which directs attention to a business, commodity, service or entertainment conducted, sold or offered elsewhere than on the premises where displayed or only incidentally on the premises. Advertising signs on any premises can only be permitted by the Zoning Board of Appeals.
(d) Sign, Business. “Sign, business” means a sign which directs attention to an activity, business or profession conducted on the premises where displayed.