A. "Apartment" means a dwelling in a structure designed or used to house two or more families; as the term "family" is defined in the city zoning ordinance; living independently of each other.

B. "Community housing" means condominiums; planned developments, community apartment projects and stock cooperatives.

C. "Mobile home" means a transportable structure or trailer coach built on a chassis for future movement; and designed to be used as a dwelling without permanent foundation when connected to the required utilities, and intended for occupancy by one family. No such structure shall be deemed to be a mobile home which is less than eight feet nor greater than fourteen feet in width for a single section, nor less than thirty-two feet nor greater than seventy feet in length for a single section.

D. "Mobile home park" means any project, intended; designed or equipped, in accordance with the requirements of Article 21, to provide for the accommodation of mobile homes for residential occupancy.

E. "Project" means the entire parcel of real property; including all structures thereon, all or part of which is rented or leased for residential purposes and is proposed to be divided; as land or air space, into two or more lots; parcels; units or rights of exclusive occupancy. "Project" includes mobile home park as defined in subsection D of this section.

F. "Vacancy deficiency" means the number of vacant apartment units needed to raise the vacancy rate to three percent.

G. "Vacancy rate" means the number of apartments being offered for rent or lease in the city shown as a percentage of the total number of apartments offered for or under rental or lease agreement in the city.