In this second part we see the principles of animation related to the interpretation, such as exaggeration, staging, anticipation, secondary action, and a brief description of the "power centers", a resource that we can be very useful. You can also see the first part of this video, about principles related to physical laws: timing, overlapping, follow through, arcs and others: http://www.youtube.com/watch?v=OaLTy5KMMaw