Hi Grant,
I think what you want to know is how does this work.
It's pretty simple if I understand correctly.
The tapes simply allow you to change your thought processes leading you to different results than what you experienced before you listened to the tapes.
First you of figuring out where you want to be. Second, you start gathering the tools neccessary to get you where you want to go. Third, use the tools and keep your eye on where you are headed!!! 
IMHO that is all you need to know to use the tapes unless you are simply curious. After all, you don't have to know how the mechanics of a car works in order to drive to the store. 
Hope this helps.
Sincerely,
Gregory