Visual writing

I've learned that art and copy (pictures and words) go together, but I've been reading a lot lately and I'm starting to believe that writing is a lot more visual than pictures. Just to throw a quick cliche out there, "a picture is worth a thousand words"....than how many pictures is a word or two worth. I say writing is more visual because when you see a picture, image, or painting, the whole scene is there already. However, a writer can put words together in such a way that allows the audience to little by little imagine how the whole scene is. Imagination is probably the key to my belief...when you can't see something, all you can do is imagine, or visualize.