As used in chapters 30-36 of this title, unless the context otherwise requires:
(1) “City” means any city or territory to be incorporated that may adopt chapters 30-36 of this title;
(2) “County” means the county in which any such city or territory to be incorporated under chapters 30-36 of this title is located, or in which the major portion of the population of any such city or territory to be incorporated is located as indicated by the last federal census; and
(3) “This charter” refers to chapters 30-36 of this title.