As used in this Act, unless the context otherwise requires, the following terms have the meaning given in this Section.
     “Residential real property” means real property improved with not less than one nor more than 4 residential dwelling units; units in residential cooperatives; or, condominium units, including the limited common elements allocated to the exclusive use thereof that form an integral part of the condominium unit. The term includes a manufactured home as defined in subdivision (53) of Section 9-102 of the Uniform Commercial Code that is real property as defined in the Conveyance and Encumbrance of Manufactured Homes as Real Property and Severance Act.
     “Seller” means every person or entity who is an owner, beneficiary of a trust, contract purchaser or lessee of a ground lease, who has an interest (legal or equitable) in residential real property. However, “seller” shall not include any person who has both (i) never occupied the residential real property and (ii) never had the management responsibility for the residential real property nor delegated such responsibility for the residential real property to another person or entity.
     “Prospective buyer” means any person or entity negotiating or offering to become an owner or lessee of residential real property by means of a transfer for value to which this Act applies.