Telecommunication circuit is a term that refers to a pathway that allows the transmission of voice, data, or video signals. There are several synonyms for this term that can be used in different contexts, depending on the specific requirements of the communication system. Some of the commonly used synonyms for telecommunication circuit include communication line, transmission path, signal channel, network connection, and data link. Each of these terms highlights a specific aspect of the circuit, such as the type of signal being transmitted, the physical components involved, or the nature of the connection. Using the appropriate synonym can help to convey the intended meaning more effectively and accurately.