(1) "Parking facilities" means lots, garages, parking terminals, buildings and structures and accommodations for parking of motor vehicles off the street or highway, open to public use, with or without charge.

(2) "Parking commission" shall mean the department or agency created by the legislative authority of the municipality as hereinafter provided.

(3) "City council" shall mean the city council or legislative authority of the municipality.

(4) "Mayor" shall mean the chief executive officer of the municipality.