As used in this chapter, the following terms shall have the meanings
indicated:
ABATE
To remove the graffiti by such means, in such a manner and to such
extent as the Board of Supervisors or other agent appointed by the Board reasonably
determines is necessary to remove the graffiti from public view.
GRAFFITI
Any unauthorized inscription, word, figure, painting or other defacement
that is written, marked, etched, scratched, sprayed, drawn, painted or engraved
on or otherwise affixed to any surface of public or private property by any
graffiti implement, to the extent that the graffiti was not authorized in
advance by the owner or occupant of the property, or, despite advance authorization,
is otherwise deemed a public nuisance by the Board.