Collections refer to groups of items that are gathered and organized based on shared characteristics or themes. People often collect various objects, such as stamps, coins, or artworks, for personal enjoyment, investment, or historical significance. Collections can vary in size and scope, from small personal collections to large institutional archives. In addition to physical items, collections can also include digital assets, such as photographs or music. Many collectors join communities or clubs to share their interests, exchange items, and learn more about their collections. Overall, collecting can be a rewarding hobby that fosters knowledge and appreciation for specific subjects.