In this subchapter unless a different meaning is expressly provided or the context clearly indicates a different meaning:
(1) "Authorizing resolution" means any resolution adopted by the commission pursuant to this subchapter which authorizes the contracting of public debt.
(2) "Commission" means the building commission.
(3) "Evidence of indebtedness" means a bond, a note or any other written promise to pay a public debt.
(4) "Public debt" or "debt" means every voluntary, unconditional undertaking by the state, other than an operating note or an interest exchange agreement, to repay a sum certain:
(a) Out of the state treasury, except a loan or advance by any state agency or fund to any other state agency or fund; or
(b) For which any existing asset of the state is pledged, except the pledge of an outstanding evidence of indebtedness without recourse.