Literal or actual movement can be clearly seen in media ... are carefully arranged. The composition stays visually balanced even as the different elements move and change position.

The present work, Composition with Circles 4, is a dynamic example of the Op-art aesthetic, composed solely of black circles that move together as if in vibration. A prime example of Riley's work, ...

is an art movement characterised by its departure from the realistic representation of the physical world. Instead, it focuses on form, colour, line, texture, and composition to convey emotions ...