In the context of adaptation, what is the usual solution to the difficulties of depicting the thoughts, concepts, or reflections of a character when using the omniscient, third-person limited, and stream of consciousness points of view?

During the revising stage in the writing process, the author freely explores topics for further inclusion in the work polishes the writing, fixing minor grammatical errors gets his or her ideas down in roughly the form he or she intends corrects major errors and improves the work's content