what is shifting/ perma shifting?

If you have heard about shifting and don't know where to start or what methods to use well here, I am going to help you along your way of shifting! things that will be included in this book are:
What is shifting?
how do I script/ what to include in a script?
what are methods/ and how to use/do them?
do's and don'ts?
The final push?
visualizing/meditating?
how do I get motivated?
shifting abbreviations!
and i can add more!