Dinghy classes refer to various types of small sailing boats designed for racing or recreational sailing. These boats are typically lightweight and can be easily transported, making them popular among sailing enthusiasts. Dinghies are often used in competitive sailing events, where different classes may have specific design and performance criteria. Each dinghy class has its own set of rules and specifications, which can include factors like sail area, hull design, and weight limits. Popular dinghy classes include the Optimist, Laser, and 420, each catering to different skill levels and age groups. These classes help organize races and promote fair competition among sailors.