Alert messages refer to notifications or warnings that are displayed on a computer screen, mobile device or other electronic devices to draw attention to important information. These messages can be in the form of pop-up windows, banners, balloon tips, sound alerts or system tray icons and they are designed to grab the user's attention and convey critical information such as errors, warnings, notifications or reminders. Alert messages may also provide instructions on how to resolve an issue or take action in response to a particular event. They play a crucial role in ensuring that users are aware of important system events and can respond accordingly.