Figure 1.6 - Area Options
There you will find:
Vertical Split: Creates a vertical division at your current Editor.
Horizontal Split: Creates a horizontal division at your current
Editor.- Join Areas: Join two editors that share the same border.
Swap Areas: Here, you can swap between the two Editors sharing
the border where you right-clicked.
To join two editors in the interface, they must share the same border.
Once you start the joining process, your mouse cursor turns into a small
arrow, which will allow you to choose which Editor expands (Figure 1.7).
Figure 1.7 - Expansion arrow