A hand-held input device used to control a computer’s graphical user interface. It typically consists of two buttons (left and right) and a scroll wheel, along with a sensor that detects movement across a surface. The mouse allows users to move a pointer on the screen, enabling them to select, drag, and drop objects, as well as execute commands through clicking. There are various types of mice, including wired, wireless, optical, and laser mice, each designed for different preferences and use cases. The mouse is a fundamental tool for computer navigation and interaction, providing a user-friendly way to engage with software and applications.