Encoding is the step in which the sender converts ideas or feelings into communicable symbols. These symbols may be words,gestures or images that can travel through a channel. Without encoding,the receiver would have nothing concrete to interpret. Therefore encoding correctly names the act described in the stem.
Option A:
Encoding involves selecting suitable language and symbols so that the message can be transmitted. It is an active mental process by the sender. This term exactly fits the description of putting ideas into words or symbols.
Option B:
Decoding is the receiver's activity of interpreting the encoded message. It takes place after the message has been transmitted. It does not describe what the sender does at the start of communication.
Option C:
Feedback is the receiver's response sent back to the original sender. It comes later in the sequence and does not involve converting ideas into symbols.
Option D:
Channel is the medium used to carry the encoded message,such as air,phone or paper. It is not the cognitive act of symbol selection by the sender.
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