1. It is the point in the distributor assembly that distributes high voltage from coil center cable to different spark plug, 2. It is a type of distributor assembly that consists of the contact point, condenser, springs, lobes, contact set attaching screw, breaker plate, dwell-angle adjusting slot, vacuum advance unit and primary lead. 3. The rotating parts of the distributor assembly that distribute high voltage from coil center cable to different spark plug. 4. It is a key-operated main power switch that opens and closes the circuit that supplies current to the ignition and other electrical system. 5. It is a device connected to the ignition primary circuit to reduce battery voltage to the coil during engine operation.