As used in this article, the following words and phrases shall have the following meanings:
(1) DISTRICT MANAGEMENT CORPORATION. An entity created by incorporation under the Alabama Nonprofit Corporation Act, Chapter 3A of Title 10, and designated by ordinance by the incorporated municipality to manage a self-help business improvement district.
(2) MUNICIPALITY. Those municipalities designated as Class 2 municipalities as defined in Section 11-40-12.
(3) SELF-HELP BUSINESS IMPROVEMENT DISTRICT. An area within the incorporated municipality designated by ordinance as an area in which a special assessment may be levied on the owners of real property located within the geographical area of the district for the purposes of providing supplemental services within the district and promoting the economic and general welfare of the district.