"revenue bonds" means revenue bonds of the authority issued under this article, including revenue refunding bonds, notwithstanding that such bonds may be secured by a mortgage or the full faith and credit of a participating institution for higher education or any [...]

(7) "Revenue bonds" or "bonds" means any bonds of an authority which are authorized to be issued under the Constitution and laws of Georgia, including refunding bonds but not including notes or other obligations of an authority.

(5) "Revenue bonds" and "bonds" means any bonds of an authority which are authorized to be issued under the Constitution and laws of the State of Georgia, including refunding bonds but not including notes or other obligations of an authority.