Multi-function displays (MFDs) are electronic screens that combine various information and controls into a single interface. They are commonly used in vehicles, aircraft, and marine vessels to present data such as navigation, communication, and engine performance. MFDs help streamline operations by allowing users to access multiple functions without needing separate instruments. These displays can show maps, charts, and real-time data, making it easier for operators to monitor their surroundings and make informed decisions. MFDs often feature touchscreens and customizable layouts, enhancing user experience and efficiency. They are integral to modern technology in fields like aviation and automotive design.