For the purposes of this chapter: (1) "Board" means the board of trustees of a consolidated emergency services board; (2) "Chief" means a chief executive officer appointed by a board to manage the affairs of a consolidated emergency services district; (3) "District" means a consolidated emergency services district, established in accordance with KRS 75A.020; and (4) "Trustee" means a member of the board of trustees of a consolidated emergency services district.