Motion in a Design System is essential for making the user interface more lively and dynamic. It involves using animation and transitions to improve the user experience. Motion is an important component of a library of design elements, as it enables smooth interactions and enjoyable moments across the interface. It is necessary for providing visual feedback, directing user focus, and maintaining a consistent visual style.

Teams use motion to communicate hierarchy, indicate system status changes, and enhance usability. By incorporating motion into their UI library, teams can create captivating and user-friendly experiences that bring joy and fluidity to users.