http://www.testyourmight.com/threads/basic-fg-terms-and-how-they-apply-to-injustice.33795/
I attempted to do something along those lines, but I am no where near a "pro".
I think people like to talk about how injustice has no footsies so they can hide the fact that they just have piss poor ones.
I think it's the fact that footsies in this game are less about movement (as it applies to spacing) and more about reads...