As used in this bylaw, the following terms shall have the meanings indicated:
Any unauthorized writing, printing, marks, signs, symbols, figures, designs, inscriptions, or drawings that are written, scratched, painted, drawn, or otherwise placed on any exterior surface of: a) any part of any building or any appurtenance thereof, b) any fence, post, flagpole, tree, streetlight, tower, tank, sign, or other freestanding structure, c) any monument, gravestone, tablet, vase, statue or other device erected to mark a public place or to commemorate an historic event, d) any street sign, guard rail, road, bridge, tunnel, retaining wall, utility apparatus, or playground apparatus, and which have the effect of defacing same.