This means that they consider the adequacy of your evidence and reasoning. The audience should be intentionally relating what you say to what they know. The speech class provides an excellent opportunity to train yourself in good listening skills. The speech class is a good place to try to eliminate bad listening habits. Personal appearance is also important to a speaker, even if the listener makes listening to ideas the primary concern.
General impression is formed by a person's general appearance.
Clothing and cosmetics represent personal choices of the speaker. These subconscious, if not conscious, clues become part of the message for the listener. The speaker can dress to achieve a general appearance that can help the message and improve the general impression of style. Generally, if speakers feel good about how they look, this can help them do a better job. Requiring a question-answer session after a speech can produce some desirable interaction between the speaker and listeners.