For the purpose of this section, the following definitions apply unless the context clearly indicates or requires a different meaning.
Graffiti. Any unauthorized inscription or markings, such as initials, words, figures, designs, symbols, slogans, emblems, or drawings marked, scratched, drawn, written, spray-painted, painted, pasted, etched, sketched, or otherwise affixed to or on a sidewalk, wall, fence, building, sign, or any other structure or surface.
Owner. The person who is the last owner of record or the fee owner or the contract purchaser or the agent of the aforementioned person.
Professional. Whenever the words “professional state of maintenance and repair” are used in this Code, they shall mean that such maintenance and repair shall be made in a reasonably skillful manner.