I'd like to try this method but to be honest, I am finding it hard to understand what he is saying. Can someone give me the Cliff Notes version?

It would be appreciated!
2/c-3a Coarse hair med. density.
Protein sensitive but can use occasionally
Highly porous. Color over grey.
I love all the Curl Junkie products and use CJ CCCL as my main styler. Still hoping for 2nd day hair....
Every day is a gift