Is there a real way to learn how a wolf communicates?
Go into the forest and spend months, perhaps years, observing wolves.
You seem to be doing a fine job on here!
going to the forest and seeing how they communicate and trying you best to mimic them but of course make sure your safe
Live in their habitat, study them or read the book/watch the movie: "Never Cry Wolf"
through body language and howling up to let the pack know where they are not at the moon