Letter, email, telephone are examples of :

Correct option is B

The correct answer is (b) Channel.

In communication theory, a channel refers to the medium or pathway through which a message is transmitted from the sender to the receiver. Letter, email, and telephone are all means or channels used to convey information. They serve as the conduit that carries the message.

• A message is the actual content or information being communicated.
• Encoding is the process of converting thoughts into communicable symbols or language.
• Feedback is the response from the receiver back to the sender, indicating that the message has been received and understood.

Since letters, emails, and telephones facilitate the transmission of messages, they are best categorized as channels.

Information Booster

• Message: The actual content or information sent by the sender.
• Channel: The medium or route through which the message travels (examples: letter, email, telephone, face-to-face, radio).
• Encoding: The transformation of ideas into communicable symbols like words, pictures, or sounds.
• Feedback: Receiver’s response to the message, ensuring two-way communication.

Additional Information

• Message: Can be verbal, non-verbal, written, or visual.
• Feedback: Crucial for confirming understanding and clarifying doubts.
• Encoding: Requires knowledge of language and symbols common to sender and receiver.