"Sign"
means any letters, figures, design, symbol, trademark, or any illuminating device or structure, or any part thereof, intended to attract attention to any place, subject, person, firm, corporation, public performance, article, machine, or merchandise whatsoever and painted, printed, or constructed and displayed in any manner whatsoever out-of-doors for recognized advertising purposes. However, this shall not include any official court or public notices nor the flag, emblem, or insignia of the government, school, or religious group when displayed for official purposes. Interior signs, if located on a window or within a distance equal to the greatest dimension of the window and if obviously intended for viewing from the exterior, shall be considered an exterior sign for purposes of this sign code.