**''$GROUP [[random|SEQ=]];''** ''[[lifetimeparameters|]]'' **'';''** ''[[abmessungs-parameter|]]'' **'';''** ''[[trassen-parameter|]]'' **'';''**\\ **''$GRP''**\\ Groups are sets of movements running on the same track, or with the same background/foreground environment. The detailed description of the **''$GROUP''** command - together with the other segmentation commands - is in a [[sektionengruppenundzeilen|separate chapter]].