1)for aux trk u can set it up to 16 at audio, profiler
2)A-Goutputs r for grouping such as volume, or seperate output if your card supports multiple out
3)send is the gain level into the effect, return is the gain level out from the effect
4)at the console view there's a record button that u can automate by mouse, or u can draw an evelope(right click) and dot on the effect level
