As used in this part, the following terms have the following meanings:
(a) “Authority” means the Yolo County Transit Authority, a joint exercise of powers agency.
(b) “Board of directors” means the Board of Directors of the Yolo County Transportation District.
(c) “Board of supervisors” means the Yolo County Board of Supervisors.
(d) “County” means the County of Yolo.
(e) “District” means the Yolo County Transportation District created by Section 60004.