As used in this article, these terms shall have the following meanings:
A designated area on the premises of a retail food establishment or restaurant, but outside the principal building, and where patrons may sit at tables while consuming food and beverages ordered from and served by a wait staff.
A designated area on the premises of a retail food establishment, but outside the principal building, and where patrons may sit at tables while consuming foods, soft drinks, ice cream, and similar confections purchased from the retail food establishment.
A designated area of a public sidewalk where patrons may sit at tables while consuming food and beverages ordered from and served by a wait staff.