Relay satellites are an essential part of modern communication systems, acting as a bridge between ground-based equipment and satellites in orbit. These satellites are designed to receive and transmit signals, so they must be able to perform these operations quickly and reliably. There are many different terms that can be used to describe relay satellites, including communication satellites, telecommunications satellites, and satellite relays. These terms all refer to satellites that are used to transmit signals across long distances, whether it be for phone calls, internet data, or television broadcasts. No matter what name you give them, relay satellites are vital for modern communication and will continue to play a crucial role in the years ahead.