I see people posting things like, Nightblade Healer (Bloodmage)/NB vampire. So I am aware that there are 4 classes, however, what are people talking when they say... "nightblade", "vampire" or "bloodmage" are there different... sub classes? I am confused on what they mean? Is there more to character building than just weapon skills, champion points, and stats?
I have briefly watch a friend play skyrim, but I'm not 100% sure I understand some of these.