Any device designed to inform or attract the attention of persons not on the premises on which the device is located that includes the name, identification, description, display, or illustration, and which is affixed to, painted or represented directly or indirectly upon a building, or other outdoor surface which directs attention to or is designed or intended to direct attention to the sign face or to an object, product, place, activity, person, institution, organization, or business, excluding integral architectural features other than letters, trademarks, or moving parts. Signs located completely within an enclosed building, and not exposed to view from a street, shall not be considered a sign. Each display surface of a sign or sign face shall be considered to be a sign.