A "hobi" is an activity that people engage in for enjoyment and relaxation during their free time. It can include a wide range of interests, such as gardening, painting, playing musical instruments, or collecting stamps. Hobbies provide a way to express creativity, develop skills, and relieve stress. Many individuals choose hobbies that reflect their personal interests or passions. Some may enjoy outdoor activities like hiking or cycling, while others might prefer indoor pursuits like reading or cooking. Engaging in a hobby can also foster social connections, as people often share their interests with friends or join clubs related to their hobbies.