Which of the following is less important in the context of effective communication?

An attractive personality of the speaker is the least important for effective communication.

A speaker's appearance does not determine whether the message is understood.

Total control over language lets the communicator express ideas precisely, so it matters.

A good vocabulary gives the range of words needed to convey meaning, so it is important.

Total control over the content ensures accuracy and authority, so it is essential.

Command of language and content outweighs the speaker's looks in effective communication.