If you are taking my statement from the audio tapes, it is explained in depth. Where are you reading this?
The question is way too general, there are many types of breathing practice. And I doubt you could learn them from the internet, without a complete transcript.
That description is pretty extensive. I wonder if a few “how to” words will make a difference. Consider just ordering them. if not satisfied, just return them for full credit within the year.
micihael