Grouping objects together ensure that any changes made to the objects will be made to all the objects within the group and all the grouped objects can be moved together
To Group Objects, hold down the shift key on your keyboard and drag a large box around the objects you wish to group, then right click on one of the grouped objects to group them together
or
Hold down the shift key on the keyboard while individually clicking on the objects that need to be grouped, then right click on one of the grouped objects to group them together
To Ungroup the objects, right-click on any grouped object and select Ungroup Objects
Objects can also be Grouped and Ungrouped under the Arrange drop-down menu, and by using keyboard shortcuts