Final answer:
The medium that transmits a message such as a speech or a video is known as a channel in the communication process. The correct option is - c. Channel.
Step-by-step explanation:
The medium that transmits a message, like a speech or a video, is an example of a channel. When we are discussing communication, a message is sent from a sender to a receiver. The channel is the means by which the message is conveyed. It can take various forms, such as auditory, visual, electronic, or physical. Examples of channels include telephone lines, the internet, air (for sound waves), and even paper (for written communication).
A channel is a means through which information is conveyed from the sender to the receiver. In the context of communication, a channel can refer to various forms such as airwaves for radio or television broadcasts, cables for internet connections, or even physical pathways for face-to-face conversations.