A photo album is a collection of photographs organized in a book or binder. It serves as a way to preserve memories, allowing individuals or families to showcase special moments, events, or milestones. Photo albums can be physical, with printed images, or digital, where photos are stored on a computer or online platform. Many people create photo albums for occasions like weddings, vacations, or birthdays, making it easy to revisit cherished experiences. Some albums are themed, focusing on specific topics such as family, travel, or hobbies. Overall, photo albums are a popular way to celebrate and remember life's important moments.