Well it helps the figure stand out and make the anatomy complete
It's option c I'm sure of it.
Texture can be the line quality of a design. With texture, lines and surfaces can be described as smooth and rough.
Texture is very important in the perception of surface quality which creates sensations and experiences. Physical Texture is the texture you can actually feel with your hand, while visual Texture is the illusion of physical texture, created with the materials used in the art piece.
