This has all the principles of art
Balance: How the circle is centered, and balance in colours.
Emphasis: On the circle, done with the red background, and the circles that lead to the one black dot.
Movement: In the circle
Harmony: In how the shapes are done next to each other
Movement: You can feel the circles moving
Pattern: cirlces, and rectangles
Rythm: In the circle
Variety: In shapes and colours
Unity: They are all geometrical shapes
Proportion: In the size of the circle (being the center point), and the rectangles.