A great actor is realistic and can portray emotions really well.
They are able to bring the character they are playing to life through superb body language and tone.
This document should help you understand more and explain!
http://file.scirp.org/pdf/CE20120200003_78369835.pdf
Hope this helped!
:)
Everyone stop what you are doing the cat is napping
Picasso and Braque created cubism
