Somepodys must like result. It's not important what kind pen you use. Your pen can be computer. Sometimes is important if not have too meny kopies around. Art is like cold or diamonds.
Art is defined by each individuals eye.
Art is any epression of feelings or thoughts that provokes a reaction from another human, whether bad or good. Let's keep dancing. Through personal experience, art is a suspended emotion that enables others to perceive and understand the ideas and feelings of the artist. Art is language beyond the spoken word. The world in humans eyes, ears and etc.