Don’t worry man, it’s all part of the learning. To be confused is like to be on the Grand Theft Auto world map and everything is dark and in fog, and as you move forward and discover stuff, the map begins to clear up and you can see everything clearly. Things will clear up the more you practice. Also remember, if you haven’t watched it, there’s the Fundamentals of rigging, where it’s all the basic concepts first:
https://cgcookie.com/courses/core-fundamentals-of-rigging-blender
