It is said that a picture is worth 1,000 words. Here's a picture generated by Mandala.
Mandala is a no-cost graphics program that displays animated Mandala images.
A large number of options can be controlled by the user. Changing these options produces an extremely wide range of Mandala sequences. The Mandala is more than a pretty picture or interesting animation. The Internet contains a number of very good sites with much information on Mandalas. Here are some of my favorites.