For the purposes of this chapter, the following definitions shall apply:
A person merely riding in a vehicle, as distinguished from one operating the same.
Includes any street, alley, avenue, lane, court or public place in the City.
Includes any and all motor vehicles used for the transportation of passengers for hire within the corporate limits of the City, except vehicles engaged in interstate commerce and vehicles properly and legally licensed by the state Corporation Commission to transport passengers between established towns and cities within the state.