Drawing and art is the best source of "purification" or "cleansing" or "clarification" refer to the purification and purgation of emotions and feelings of relaxation. Almost every person has this talent of art and drawing naturally.
When you look all around the world you noticed many beautiful scenes. At any time, any place you can draw that scene and enjoy by arising the same feelings you feel in the first look of scenes. No matter the medium, drawings are basically concerned with the outline and form of an object or subject.