Measurement standards to compute the amount of sign area permitted in the retail district are herein established as follows:
   The total area of signs on a lot as permitted by regulations set forth in the following sections shall include:
   (a)    All visible faces of all permanent exterior signs;
   (b)    The area of permanent signs placed upon the surface of windows or doors; and
   (c)    The above areas should be the total area of a flat, wall, projecting, ground and pole sign, and the area within an outline enclosing the border, lettering or design of signs integral with a wall, window or door.
      (Ord. 1976-65. Passed 11-10-76.)