Hydraulic cylinders attached to the car's wheel that make the car ride smoother over bumps. Teams want the best combination of a smooth ride and firmness for handling.
Traverse through a mogul field. The upper body remains quiet and centered, because the legs absorb the shocks by flexing as the bumps push against the feet and extending as the bumps fall away.
A term used for what are really dampers. Fittings used to absorb the energy that the wheels convey to the springs. The dampers keep the springs from continuously rebounding. The majority of shock absorbers are hydraulic.