(1) “Authority” means a regional megasite authority created pursuant to this chapter;
(2) “Governing body” means the legislative body of a county or the legislative body of an incorporated municipality;
(3) “Megasite” means a site certified as being suitable and available for development for significant economic and industrial investment as provided in § 64-6-103; and
(4) “Project” means all or any part of, or any interest in, any land and building, including an office building, any facility or other improvement on the land and all real and personal properties located either on a megasite or off a megasite deemed necessary in connection with the megasite, whether or not now in existence, that are suitable for any industrial or commercial enterprises or any combination of the land, buildings, facilities, improvements or real or personal properties located at the megasite.