i am guessing it is the act of being natural, this can be preformed by using your brains and not copying someone else, it can also be defined as a way for someone to hide them self from being...
well naturalism is related to things you do in the real world and non-naturalism does not relate to anything in the real world, and it is a bit more bizarre.
Realism refers to the depiction of subjects as they appear in every day life. Naturalism depicts the subject as they appear in every day life in a pessimistic manner, in opposition to nature fighting...