S. aureus has the Brownian movement, it does not have true motility. Brownian movement is when movement is caused by shaking and being bumped into by other bacteria not by s. aureus itself with a purposeful direction.

Brownian motion is the random moving and mixing of particles.

vital movement is about random movement while brownian movement is about its vibrate and move in zigzag movement as it is does not have flagella like staphylococcus aureus..

Brownian movement.

Brownian movement.