As used in this chapter, the following terms shall have the meanings indicated:
Any vehicle used or intended for conveyance upon the public streets so designed or constructed as to permit occupancy of the vehicle as a dwelling or sleeping place for one or more persons or for other occupancy or use and capable of being transported either under its own power or by attachment to a motor vehicle or through other means of transportation.
Any site or tract of land occupied or used by one or more trailers, or available for such occupancy or use, with or without charge, and shall include any building or structure intended for use as part of or in connection with such trailer park.