During Guilty Gear XRD, Lord Machabo wrote an article that was translated by GG Sweden on the basics of neutral. This article is referenced a lot, but since I get a lot of questions about it, I decided to go through the important parts of the article and break things down a little further.
For another perspective (and GG videos on Faust, GG wiki updates, etc), peep lord @Krackatoa video here - https://youtu.be/tjmnNbG0HAw