Experienced drivers sometimes explain vehicle transient behavior to steering as "after the front wheels start to turn. the rear wheels start to turn with a delay" or "the rear wheels swing around the front wheels like a pendulum. In this paper. the former is called two-stage motion and the latter is called pendulum motion. http://www.ngetikin.com/hot-mega-Ventilationstejp-50-mm-Fresh-flash-find/