Part 27 :group selection command in autocad||group edit|| group command in autocad||ungroup \autocad
learn about : group selection command in autocad || group edit|| group command in autocad || ungroup command in autocad.
Groups provide an easy way to combine drawing objects that you need to combine as a unit. By default, selecting any member of a group selects all the objects in that group, and you can move, copy, rotate, and modify groups just as you can modify separate objects.