(1) “City governing body” means the city council or other public agency possessing power and authority usually possessed by a city council;

(2) “County governing body” means that body in a particular county that is vested with the power to levy property taxes;

(3) “General services district” means a service district within a metropolitan government whose geographical limits are coextensive with the total area in which the government functions;

(4) “Metropolitan government” means the political entity created by consolidation of all, or substantially all, of the political and corporate functions of a county and a city or cities;

(5) “Metropolitan government charter commission” or “charter commission” means a commission established to propose to the voters for adoption the charter for a metropolitan government;

(6) “Municipal corporation” means an incorporated city or town;

(7) “Principal city” means:

(A) That municipal corporation having the largest population of any municipality in a particular county; or

(B) If the municipal corporation having the largest population of any municipality in a county fails to adopt a consolidation resolution within ninety (90) days of the county's adoption of a consolidation resolution, the county seat of that county, if the county seat is an incorporated municipality;

(8) “Smaller city” means any municipal corporation other than the principal city; and

(9) “Urban services district” means a service district within a metropolitan government in which are furnished by the metropolitan government municipal services additional to those provided in the general services district.