Do you mean h-l? H-M-L are useful (top-middle-bottom of the window), but not to navigate words. By the way J (join lines) and K (look up the current word) are

Do you mean h-l? H-M-L are useful (top-middle-bottom of the window), but not to navigate words. By the way J (join lines) and K (look up the current word) are also useful.