EFD stands for Electronic Flight Display, which refers to the modern cockpit display system used in aircraft. There are many synonyms that can be used to refer to EFDs including cockpit displays, electronic instruments, flight deck displays, glass cockpit displays, digital instrumentation, and electronic flight instrumentation systems. These terms all describe the same type of technology that has revolutionized the aviation industry. EFDs provide pilots with real-time information on flight parameters such as altitude, airspeed, and heading, enhancing safety and efficiency. Synonyms for EFD are important to know as they enable individuals in the aviation industry to understand and communicate effectively with each other.