As used in this chapter, the following terms shall have the meanings indicated:
Any lot or plot of ground used for the temporary or permanent storage, parking or location of two or more trailers, mobile homes or camp cars for a period of more than six hours, and which place is used as a business operated for profit.
Any unit, structure or vehicle constructed and intended for use, temporary or permanent, for living or sleeping purposes, by one or more persons, which is primarily designed to be equipped with wheels or similar devices for the purpose of transporting it from place to place, whether it is self-propelled or otherwise and whether its wheels or similar devices remain attached or are temporarily removed.