@Incoming Hi. Sorry for the delayed response.
I preferred to have all of the important facts from my notes and all of the value addition at one place for revising. I had maintained a google sheet in sort of a Q&A format. This really helped to quickly revise and replicated all of these things on paper, and saved a lot of time.
Adding a few examples:
https://docs.google.com/spreadsheets/d/1hIX3WweKZMwH17LzuTX3-Wxmy0IfWy3R-oGTL75C1vI/edit?usp=sharing