Answer:
Art is a way to express anything creatively with really anything. From dry pasta shaped in a heart on paper, to painting a beautiful mountain range. Art is whatever you make it to be. Art comes from people's imagination.
Storytelling is usually an art in its self. A way to tell a story through art might be painting a house with someone inside crying while someone else is knocking on the door. There is a story right there, it doesn't have to be too complex. Not all art tells a story unless you make it tell a story. Some people just draw shapes and colors or sculpt a person or animal, it doesn't have to be a story.
Explanation:
I hope that helps you. It's completly in my words, not copy and pasted. Don't worry.