A monitor, symbolized by "🖥️," is an output device that displays visual information from a computer or other electronic devices. It consists of a screen that uses various technologies such as LCD, LED, or OLED to present images and videos in a graphical format. Monitors come in different sizes and resolutions, offering users a wide range of options to suit their needs. They are essential for viewing and interacting with the content produced by computers, making them a crucial component of any computing setup.