CTRL + G in object mode to run the Group tool
SHIFT + dbl LMB in object mode to run the Select Group tool
The Group tool set allows for scene organization using empties as parents.
Andrew Hodgson's video on Groups in Maya and why Collections in Blender are not a replacement, is what really got this started, so shout out - and thanks to - himcmn.
The Group Gizmos are only available in the Deus Ex version of MACHIN3tools*
Object Context Menu
3D View Sidebar > MACHIN3 Tab > MACHIN3tools Panel > Group