The answer to this is movement is very important when people would look at an artwork. There are some people who will only appreciate art when it is not in abstract form because they find realist paintings to be harder to do. Still, there are some paintings that will catch your attention.
You will become drawn towards some paintings even though you do not understand what it is. This is because of the movement that you can find within the painting. You may sense where your eyes are supposed to go in order to fully understand the painting. The other elements of any artwork are also important for other things.