Art is a form of expression. For some people art is everything to them and if they can’t do art they feel something is missing. It was important to Picasso, Alexander Calder, Bob Ross and so many more.
Art is not just 2D it also can be 3D. Sculptures are art. Abstract, cartoon, realistic, anime, and animations are art, too. There are so many animators like the ones that made Dragon Ball Z. They have to draw the movement in slides. They draw every little movement.Digital art, speed paints, and crafts are art, as well as 3D printing.
So if you are wanting career in art there are so many possibilites.