Starting at the most familiar place, the steering wheel, attaches a long splined shaft that goes down into the steering column and exits through the floor above the accelerator and brake pedals. This shafts only job is to rotate in place along with the steering wheel. The rotating shaft goes into the steering box housing, which is bolted directly to the frame of the car itself. The shaft ends at a small gear inside the box that contacts and meshes with another gear at a 90 degree angle. Being driven by the first gear, the second gear exits the steering box as a shaft that twists in unison with the first shaft.