Select the Editor you want to create the grouping around.
Right click the Editor and select the Group menu item.
Change Group Name
One the group appears, select the group, right click and select the Rename menu item.
Enter Group Name
Type in the new group name and click the enter key.
Add More Editors
You can add more editors to the group by dragging and dropping them inside the group.
Using groups is a great way to break up functionality and makes it easier for your end user to navigate your software.