Description: An input event is an occurrence that indicates a user action, such as a key press or mouse movement, that can be processed by the system. These events are fundamental in the interaction between the user and the graphical interface of an operating system or application. In the context of graphical systems, input events are essential for communication between input hardware (like keyboards and mice) and the software that interprets them. Each input event can contain detailed information, such as the type of action performed, cursor position, the state of modifier keys (like Shift or Ctrl), and other relevant data. Efficient management of these events is crucial to ensure a smooth and responsive user experience. In various development environments, input events allow developers to create interactive applications that respond to user actions, facilitating the creation of dynamic and engaging interfaces. The way these events are handled can vary significantly across different platforms and technologies, highlighting the importance of understanding their operation for modern software development.