man bash

   Commands for Moving
       beginning-of-line (C-a)
              Move to the start of the current line.
       end-of-line (C-e)
              Move to the end of the line.
       forward-char (C-f)
              Move forward a character.
       backward-char (C-b)
              Move back a character.
       forward-word (M-f)
              Move forward to the end of the next word.  Words are composed of alphanumeric characters (letters and digits).
       backward-word (M-b)
              Move  back  to  the start of the current or previous word.  Words are composed of alphanumeric characters (letters and
              digits).
       clear-screen (C-l)
              Clear the screen leaving the current line at the top of the screen.  With an argument, refresh the current line  with-
              out clearing the screen.
       redraw-current-line
              Refresh the current line.