What is the difference between an ignition switch and an ignition cylinder?

The ignition switch is an electrical component that activates the vehicle's electrical systems and starts the engine when the key is turned or pushed. In contrast, the ignition cylinder is the mechanical part that houses the ignition key and allows it to turn, engaging the ignition switch. Essentially, the ignition cylinder is the physical lock mechanism, while the ignition switch is the electrical control that facilitates engine start-up and operation.