It's the way to express the feelings and all the beauty around us, using any material, signs, body movements in a creative way. So that we have to use our imagination to create something beauty to ourselves, by showing our feelings and thoughts, this fact is what makes difficult to explain the concept of art because is the apreciation of each being that makes something beautiful to me it can be horrible for you).
Anyway know about any kind of art it's enrichment to ourselves because this way you're able to recognize what other people produce by making go out their feelings and thoughts.