Effective Editing in Emacs: Moving.

This is a great introduction on how to navigate inside of a buffer in emacs, but I also have learn a couple of more advance tricks like c-subword-mode, or C-s C-w

I also find useful put my moving keys in the home row.

    ;;; Arrow keys. 
    (global-set-key (kbd "s-k")    'next-line)
    (global-set-key (kbd "s-i")    'previous-line)
    (global-set-key (kbd "s-j")    'backward-char)
    (global-set-key (kbd "s-l")    'forward-char)

    ;;; Fast Arrow keys.
    (global-set-key (kbd "s-K")    'forward-paragraph)
    (global-set-key (kbd "s-I")    'backward-paragraph)
    (global-set-key (kbd "s-J")    'backward-word)
    (global-set-key (kbd "s-L")    'forward-word)

    ;;; kill text
    (global-set-key (kbd "M-j")  'delete-backward-char)
    (global-set-key (kbd "M-J")  'backward-kill-word)   ;;;    Doesnt work on paraedit. 
    (global-set-key (kbd "s-w")  'kill-word)

    (global-set-key (kbd "s-1")    'shrink-window)
    (global-set-key (kbd "s-2")    'enlarge-window)

Another great tool for movement is next-error, bound to C-x ` by default, though I bind it to M-` for convenience. Despite its name, it's not just useful for jumping to error locations in source code. It also jumps to matches from M-x occur and M-x rgrep, making it very easy to hop around from one regex match to another. A negative prefix argument can be used to navigate in the reverse direction, in case you go too far.