1. Question to pills? The graph shows, for D block pills, top part is angle of hinge pin in degrees. Right side of chart is toe angle. This changes angle of back of pin. Pills for C block arrow up is pro squat, arrow down is anti squat. This changes angle of front side of pin up or down.
2. Question to rubber sheet? It's used for tuning, it does raise and lower parts they are under, similar to roll center.