In this chapter,
(1) "disclosure statement" means the disclosure statement required by AS 34.70.010 ;
(2) "real property" includes a unit in real property subject to AS 34.07 or AS 34.08;
(3) "residential real property" means real property whose primary purpose is to provide a single-family dwelling, or two single-family dwellings in one building;
(4) "transfer" means transfers by sale, exchange, installment land sale contract, lease with an option to purchase, other option to purchase, or a ground lease coupled with improvements.