As used in this chapter, the following terms shall have the meanings indicated:
COMMERCIALAny activity that involves any kind of vocation, occupation, profession, enterprise, establishment or any devices, machines, vehicles and apparatus used therein, any of which are conducted for profit or benefit, either directly or indirectly, on any premises in this city or anywhere else within its jurisdiction.
RESIDENTIALAny activity in which the purpose is not to conduct a business for profit or to conduct any business activity whatsoever; any activity in which the purpose is to provide a place for living for the owner to reside and take up his/her domicile.