For the purposes of this chapter the following definitions shall apply:
The enforcing officer of building inspection, including this chapter, in the City.
The officer in charge of receiving all moneys being received by the City.
Any sign erected, constructed or maintained for the purpose of displaying outdoor advertising by means of posters, pictures or pictorial reading matter, when such sign is supported by uprights or braces placed upon the ground and not attached to any part of any building.
Any painted sign or poster or any surface or place that may be affixed to the front, side or rear walls of any building.