User profiles are personalized accounts created by individuals on digital platforms, such as social media or online services. These profiles typically include information like a user's name, age, interests, and preferences, allowing the platform to tailor content and recommendations to the user’s tastes. In addition to basic information, user profiles may also store activity history, such as posts, likes, and interactions. This data helps improve user experience by enabling features like targeted advertising and customized feeds, ultimately making the platform more engaging and relevant to each individual user.