That is interesting, and, clearly, often true. I wonder about abstract and surrealistic art, though. What is being communicted by Margritte, for example? I must say that, having read a biography of him, I felt far more comfortable with his work than I had before - by which I don't mean that I liked it more or less, I still liked it a lot, but I felt I understood it better.
As an experiment, just for fun, why not say what the following two pieces communicate to you:
http://www.psyche.demon.co.uk/abstract1.jpg