There used to be a topic that had all of the abbreviations, but I think it has gone away since the crash. I can tell you that NF is no fail, NFSC is no fail sugar cookie, and MMF is marshmallow fondant. MMF is great and easy to make. If you are looking to buy fondant, Satin Ice is also very good. There is also a rolled buttercream (RBC) that combines the look of fondant and the taste of BC. You can find a lot of different recipes here. Good luck and welcome to CC!