A THREAD FOR NEWCOMERS!

Help me figure out the following abbreviations: 1. what are ГО? Dimension Door?
2. decode what the numbers 2sm4d(3) mean? I encountered it in the "online game reports" thread—something about the map format, but what exactly?


Added after 9 minutes

;) just play, even better—participate in Tournaments.

I would be glad to, but I can't—circumstances don't allow it. Only next month.