Notifications are messages or signals that inform users about events, updates, or changes related to applications, systems, or services. They can alert users to various activities, such as incoming messages, warnings, reminders, or important news. Notifications are commonly used in digital platforms, including mobile apps and websites, to enhance user engagement and provide timely information. They can appear in various forms, such as banners, pop-ups, sounds, or visual alerts, and can be customized to suit user preferences. Notifications are designed to catch the user’s attention while minimizing interruption, ensuring that critical information is communicated effectively.