What is the main basis of abstract expression in art?

Expressing feeling or idea through colour, line, and form

The governing concept is abstraction: an artist may move away from literal representation while using visual elements to communicate an idea, sensation, or emotion. Colour can create intensity or calm; line can suggest movement, tension, direction, or softness; and form can organise shapes and relationships without copying a recognisable object exactly. Therefore option C is correct because it explains how colour, line, and form become carriers of feeling or thought. Option A describes realistic imitation rather than abstraction, option B supplies no developed visual communication, and option D is wrong because abstract art can be carefully planned and meaningful. Abstraction does not mean randomness; it means meaning is conveyed through selected forms rather than literal depiction.

This is a Class 9 Art Education question. Chapter: Introduction to Art. Topic: Art as a form of expression.