What is the working principle of automobile braking system?

At present, most small cars use hydraulic brakes, because the liquid can not be compressed, can be almost 100% power transfer, the basic principle is that the driver presses the brake pedal, to the brake fluid in the brake master cylinder to apply pressure, the liquid will be the pressure through the pipeline to the piston of the brake calipers of each wheel, the piston drives the brake calipers to clamp the brake discs and thus generate a huge friction to make the vehicle deceleration.