“Business service establishment” means an establishment within a building that provides services to other businesses. Examples of these services include: blueprinting, computer-related services, copying and quick-printing, film processing and retail photofinishing, mailing and mailbox services, and security systems services. (Ord. 2020-07 § 2, 2020; Ord. 2006-03 § 1 (Exh. A), 2006)