Move to the start of the current line.
Move to the end of the line.
Move forward a character.
Move back a character.
Move forward to the end of the next word. Words are composed of letters and digits.
Move back to the start of the current or previous word. Words are composed of letters and digits.
Clear the screen and redraw the current line, leaving the current line at the top of the screen.
Refresh the current line. By default, this is unbound.