trictly speaking, the term "contemporary art" refers to art made and produced by artists living today. Today's artists work in and respond to a global environment that is culturally diverse, technologically advancing, and multifaceted.
The use of lines and strokes is one of the major characteristics of Chinese painting which make it distinct from other traditions of paintings in the world. It is not hard to imagine that Chinese painting and Chinese calligraphy share the same origin.