basically yes. i think of it like where the road has been worn by traffic and the car is pulled into those valleysWhat is tram lining? Is that where minor surface changes or road imperfections cause the car to dart in various directions more noticably than your average car?
funny thing about the steering, I watched 2 that were positive about it. Both reviewers own(ed) S550: Savagegeese talked about improved steering at 31:20 and Raiti talked about it being spot on at 26:33