The following words and phrases as used in this chapter shall have the following meanings, unless a different meaning is required by the context:
BUSINESS: Any vocation, occupation, profession, enterprise, establishment, concern or any other type of activity, together with all devices, machines, equipment, vehicles and appurtenances used therein, any of which are conducted for profit; provided, however, that the term "business" shall not include those vocations, occupations, professions, enterprises, establishments or concerns licensed exclusively by the state of Illinois or department thereof or permitted home occupations.
PERSON: Any individual, firm, association, partnership, corporation, trust or any other legal entity, except for such person or persons as may be organized as an Illinois not for profit corporation or governmental bodies properly organized under the laws of the state of Illinois.
TOTAL FLOOR AREA: The sum total of the horizontal areas of any and all floors, or portions thereof, of any building, including any and all accessory buildings, basements, attics and/or cellars, devoted to, reserved for or retained for the use of any business, regardless of whether or not any such area(s) is vacant or not in use. (1997 Code)