to main chapter Ctrl Commands
Take a look at your keyboard. Between the S and the D key,
you have to imagine a central point (+). This is the geometrical center of all
cursor movement keys:
W E R
A S + D F
Z X C
^S, ^D: Cursor left, right
^A, ^F: Word left, right
^E, ^X: Cursor up, down
^R, ^C: Page up, down
^W, ^Z: Scroll up, down