A canvas is usually used to create something, like a nice painting, but did you know that salespeople and marketeers use a so-called value Proposition Canvas that helps them to map their product's Benefits, Features and Experience on your Wants, Needs and Fears?
Likewise, you can evolve your own life experience by using it as a canvas to paint your own dreams. because life is simple that way: if you don't paint your own life, others will paint it for you. And then it might be more like a paint job than an artful painting...