Which of the following is a component of every great work of art?
a. an original vision of the world
b. a realistic presentation of factual material
c. brushstrokes that clearly define spatial limits
d. images that are recognized as beautiful

The correct answer is  A. An original vison of the world.

B isn't correct because art comes in many forms not just realistic forms of factual material.

C isn't correct because there are many types of techniques and forms of art

D isn't correct because not all art is considered beautiful and nor does it have to be to be considered great art

variety in color and variety in texture