Signs. A "sign" shall mean any device, display or structure other than buildings or landscaping, readily visible from public property and used primarily for visual communication for the purpose of, or having the result or, bringing the subject thereof to the attention of the person, group of persons, or the public generally. A sign includes, but is not limited to, any and all reading matter, letters, numerals, pictorial representations, emblems, trademarks, flags, banners, streamers, pennants, inscriptions, and patterns affixed to a building, and shall include window signs. In addition, the term "sign" shall mean any device placed in any window or any store front whether inside or outside which would otherwise meet the definition of the above-described.