I understand COMPLETELY, cuz my problem is when the teacher gives out a lot of steps, and then gives them quickly. I can't figure out how I've improved sinced I started, it doesn't seems logical- but the repition sets in. But it does get weird when you break that routine and get a totally different style of ballet class and stuff. It helps me to actually DO the arms, but just look at the feet. It seems to me that when the feet get faster, the arms get more uniform for the steps, so in those cases I do focus more on the feet, and only wave through the arms if I do them at all, but do them if the teacher goes through it again. But in the center, I'm still lost! I hope I stayed in context!
