No person shall park any vehicle or trailer on a public right-of-way or public property or on private property so as to be visible from a public right-of-way, which has attached thereto or located thereon any sign or advertising device for the basic purpose of providing advertisement of products, and including political advertisement, directing people to a business or activity located on the same or nearby property. This section is not intended to apply to standard advertising or identification practices where such signs or advertising devices are painted on or permanently attached to a business or commercial vehicle. (Ord. 89-3 (part), 1989)