The image above is balanced because the girl is lying down, and then on the other side there is a shadow, which balances the girl.
Contrast
This picture is contrasting because the yellow and blue are contrasting against each other
Repetition
This picture represents repetition because it is the same picture in each square, but they are all different
Gradation
This picture represents gradation because, from the way that you look at it, it is going from right to left and you can see in which direction it is going