A dimple is a small, natural indentation that can appear on the skin, most commonly on the cheeks or chin. Dimples are often considered a charming facial feature and can be hereditary, meaning they can run in families. They occur when the underlying muscle structure is shorter than usual, causing the skin to pull inward. In addition to facial dimples, there are also dimples found on the surface of certain objects, such as a golf ball. These dimples help improve aerodynamics, allowing the ball to travel farther and more accurately when hit. The design of a golf ball with dimples is a key factor in its performance.