Meaning: This sentence is saying that imagination can help you see the world in a new way.
Choice of Words: Imagination is the ability to think about things that are not real. Paints means to cover something with a colored liquid. World means the earth and everything on it. Anew means again or in a new way. When you put them together, "Imagination paints a world anew" means that imagination can create a new and different world in your mind.