Bonus features are additional content included with a primary product, often found in DVDs, Blu-rays, or video games. These features can enhance the experience by providing extra information, behind-the-scenes footage, or special commentary from creators. They are designed to give fans more insight into the making of the product and to add value beyond the main content. In the case of movies, bonus features might include deleted scenes, bloopers, or interviews with the cast and crew. For video games, they could consist of concept art, developer commentary, or unlockable content. Overall, bonus features enrich the overall experience for users.