Nr is not rated, r is restricted.
Composition is the the arrangement of the visual elements in a painting or other artwork. It is how the elements - line, shape, color, value, texture, form, and space - are organized or composed according to the these principles - balance, contrast, emphasis, movement, pattern, rhythm, unity/variety - and other Elements of Composition, to give the painting structure and convey the intent of the artist.
Answer:
art that does not refer to the world outside itself, creating meaning and expressive power from the elements of art it self, is called <u>nonrepresentational.</u>
I hope this helps, L.E.