(8) “Mortgage” means a mortgage deed or other instrument which shall constitute a lien, whether first or second, on real property or on a leasehold under a lease having a remaining term at the time such mortgage is acquired which does not expire for a number of years beyond the maturity date of the obligation secured by such mortgage that is equal to the number of years remaining until the maturity date of such obligation;
(9) “First mortgage” means such classes of first liens as are commonly given to secure loans on, or the unpaid purchase price of, real property under the laws of the state, together with appropriate credit instruments;
(10) “Bonds” means any bonds, notes, interim certificates, debentures or other obligations issued by the state pursuant to sections 8-400 to 8-405, inclusive;
(11) “Aggregate family income” means the total family income of all members of a family, from whatever source derived, including but not limited to pensions, annuities, retirement benefits and social security benefits, provided the authority and the Commissioner of Housing may exclude from such income, (A) reasonable allowances for dependents, (B) reasonable allowances for medical expenses, (C) all or any part of the earnings of gainfully employed minors or family members other than the chief wage earner, (D) income not regularly received and (E) such other expenses as the Commissioner of Housing may allow;
(12) “Tenant” means the occupant of any housing unit financed or assisted under sections 8-400 to 8-405, inclusive;