For the purposes of this ordinance the following words or phrases shall mean or include:
(a) "Art Commission." The Art Commission of the City and County.
(b) "Advisory Committee." The Advisory Committee of Street Artists and Crafts Examiners of the City and County.
(c) "City and County." The City and County of San Francisco.
(d) "Family Unit." Two or more persons jointly engaged in the creation or production of an art or craft item, no one of whom stands in an employer-employee relationship to any of the other members thereof, or, two or more physically or mentally handicapped persons participating in a formal rehabilitation program a part of which includes activities for the creation of arts and crafts by said persons.
(e) "Person." Any individual, copartnership, firm, association, joint stock company, corporation, or combination of individuals of whatever form or character; provided, however, that whenever a right, privilege, or power is conferred upon a person by the provisions of this ordinance, the term "person" shall mean an individual natural person.