As used in this article, the term:
(1) “Governing body” means the board, commission, council, or other local legislative body of governmental entity.
(2) “Governmental entity” means any school district, independent school system, county, municipal corporation, consolidated city-county government, or other political subdivision of the state, any local authority, local body corporate, or local public corporation created by or pursuant to the Constitution of Georgia or any general, local, or special Act of the General Assembly, or any special district or community improvement district of the state. The term “governmental entity” does not include “state authorities” as defined in paragraph (9) of Code Section 50-17-21.