Wherever used in this title, unless a different meaning clearly appears in the context, the following terms whether used in the singular or plural, shall be given the following respective interpretations:
(1) "Bonds" means any debt obligations issued by any governmental unit, as hereinafter defined, and shall include, but not by way of limitation, the following: bonds, refunding bonds, notes, and certificates payable from and secured by (a) ad valorem and other taxes, (b) other revenues from whatever source derived, and (c) local or special assessments.
(2) "Governmental unit" means the state of Louisiana, municipalities, parishes, parish and municipal school boards and districts, levee boards and districts, housing authorities, bridge authorities, community improvement agencies, redevelopment agencies, all other political subdivisions of the state, public trusts, corporations, districts, boards, authorities, agencies, and units of local government and nonprofit corporations created by or governed by the governing authorities of parishes or municipalities, any special service districts, such as water, sewerage, garbage, and lighting districts created by or pursuant to legislative acts and any other districts, boards, authorities, and agencies of the state of Louisiana authorized to issue bonds.
(3) "Governing body" means the board or body in which the bond issuing power of a governmental unit is vested.