A Blu-ray collection consists of a set of movies or shows stored on Blu-ray discs, which are high-definition optical discs. These discs offer superior video and audio quality compared to standard DVDs, making them popular among film enthusiasts. A typical collection may include various genres, such as action, drama, and documentaries. Collectors often seek out special editions or box sets that feature bonus content, like behind-the-scenes footage and director commentaries. Many Blu-ray collections also come with digital copies, allowing viewers to enjoy their favorite titles on multiple devices. This format has become a staple for home entertainment.