A presentation or presentation of words, letters, figures, designs, pictures or colors publicly displayed so as to give notice relative to a person, a business, an article of merchandise, a service, an assemblage, a solicitation or a request for air; also the structure or framework or any natural object on which any sign is erected or is intended to be erected or exhibited or which is being used or is intended to be used for sign purposes. (PZSC § 03-15-099)