2.4.2. Grouping Controls
Controls can be grouped together, forming essentially a single large control.
To group controls click the controls that you want to be in the group, and then click the
Group button 
. This is also available from the right-click pop-up
menu.
To ungroup controls click the group that you want to ungroup, and then do choose one of the following:
Click the Ungroup button
to preserve the size and position changes you made
while the controls were grouped. This is also available from the
right-click pop-up menu.Click the Cancel Group button
to discard all changes that you made to the group.
This is also available from the right-click pop-up menu.
Hover your mouse over the control you want to select.
Tap the Ctrl key on your keyboard.
Click the control in the group that you need to access.
If you have a group within a group, you can access a single cell like this:
Hover your mouse over the outer group.
Tap the Ctrl key on your keyboard.
Hover your mouse over the inner group that you need to access.
Tap the Ctrl key twice on your keyboard.
Click the control that you need to access.