SQS Listener is a service that listens for incoming messages from an Amazon Simple Queue Service (SQS) queue and processes them as events to trigger alerts or other actions. To use this service, you need to configure the SQS queue with the desired event triggers associated with it. This enables you to respond quickly to changes without having to monitor manually for events. A front-end application provides the user-facing interface for a software system. This includes the design and layout of elements such as menus, forms, buttons, user input boxes, and other graphical displays. In this application design, users are able to view lists of alerts without having to navigate away from the main page. With the help of EdrawMax, you can easily recreate a similar diagram.