Rotating locomotion is when things move by spinning around. Living systems, like animals, use rotating locomotion to move from one place to another. Think of a dog chasing its tail, it spins around to go in circles.
Some animals use rotating locomotion to climb up things like trees or walls. Imagine a gecko sticking to a wall and crawling up, it uses its rotating toes to grip the surface and move up.
Fish also use rotating locomotion to swim through water. They move their fins back and forth, which makes their bodies rotate and push them forward.
Even some microscopic organisms, like bacteria, use rotating locomotion to move. They have a long tail-like structure called a flagellum that rotates like a propeller to move through liquids.
So, in summary, rotating locomotion is when living things move by spinning around, and it's used by various organisms for different reasons, such as crawling, swimming or moving through liquids.