Thanks for the pointers, Zlatko. I'll keep them in mind next time I run into Gen's online.
You do the motion after activating the standing MP. Meaning as soon as you hit mp and the move is coming out do your next motion so you can buffer it. You do not have to wait for the animation to end to input directional commands, only button presses.
Sweeps are moves that knock you off your feet and give a hard knockdown, meaning you can't quick rise/get up faster so people can time their jump ins after to be safe. The SweepGAF tier list is in reference to every characters cr RH.
http://sonichurricane.com/articles/sfterms.html
This will cover some terms but not all, especially the meme terms are definitely not covered. But it should help.