A CMotion group is the group of 6 CMotion Joints. Each CMotion Joint in group has fixed Cartesian Motion Type - X, Y, Z and RX, RY, RZ. And every CMotion Joint shares same action and base entity, also ref. maker and Force Display type. But the initial condition - Displacement, Velocity, and Acceleration can be varied.
Figure 1 CMOTION Group (Cartesian Motion Group) icon on Working Window
Figure 2 CMotion(G) icon of the Joint group in the Professional tab