As used in this chapter, the following terms shall have the meanings indicated:
Any vehicle or similar portable structure constructed so as to permit its use as a conveyance on a public street and so as to permit the occupancy thereof as a dwelling by one or more persons.
An area of land in which two or more occupied mobile homes are harbored, either free of charge or for revenue, together with any building, structure or enclosure used as part of the equipment of such park.