A stylus is a versatile tool used to interact with touchscreen devices, such as tablets and smartphones, as well as computer screens with stylus-compatible displays. It mimics the function of a pen or pencil, allowing users to write, draw, and navigate with precision. The stylus has become essential in fields like digital art, design, and note-taking, where detail and control are important. Unlike a mouse or touchpad, a stylus offers a more natural and intuitive experience for tasks that require handwriting or intricate gestures. The technology behind styluses has evolved, incorporating pressure sensitivity and palm rejection features to enhance user experience and mimic the feel of traditional writing tools.