Ctrl-Shift-E: will split the view vertically.
Ctrl-Shift-O: will split the view horizontally.
Ctrl-Shift-P: will focus be active on the previous view.
Ctrl-Shift-N: will focus be active on the next view.
Ctrl-Shift-W: will close the view where the focus is on.
Ctrl-Shift-Q: will exit terminator.
F11: will make terminator go fullscreen.