Answer: A channel
A communication channel is the medium, mean, manner or method through which a message is sent to its intended receiver. The basic channels are written (hard copy print or digital formats), oral or spoken, and electronic and multimedia.
In the communication process, the "receiver" is the listener, reader, or observer—that is, the individual (or the group of individuals) to whom a message is directed. The receiver is also called the "audience" or decoder.
A feedback loop is the part of a system in which some portion (or all) of the system's output is used as input for future operations.
An Encoder is a combinational circuit that performs the reverse operation of Decoder.
A communicator a person who is able to convey or exchange information, news, or ideas.
Amtrak is taking the gloves off in advertisements and belittling its major competition, which is the...