2.  Public speaking is speaking to a group of people in a structured, deliberate manner intended to inform, influence, or entertain the listeners.

3.  The sender or originator of the message

4.  The content or signal that the source/ sender gives to the receiver.

5.  The listener or audience that interprets the message.

6.  The sense (eyes, ears, nose, mouth, body) used to send a message. More than one sense can be used to send a message.

7.  The time, setting, or situation in which communication occurs.

8.  Anything audible that gets in the way of the message.

9.  The reactions of the listener to the source. Listeners give feedback through comments, facial expressions, and body movements.

10.  The materials used to support a speaker's ideas.  The three major kinds of supporting materials are: examples, statistics, and testimony.

11.  The loudness or softness of the speaker's voice

12.  Making your voice loud enough that the person in the back of the room can hear you.

13.  The speed at which you speak

14.  Changes in a speaker's rate, pitch, and volume that give the voice variety and expressiveness

15.  Talking with the same voice (opposite of vocal variety/ inflection)

16.  How clearly you speak

17.  A temporary stop or rest

18.  Distracting words that fill pauses in speaking  Examples include: Um, uh, and like

19.  One or more motions or positions of the muscles in the skin  These movements show the emotional state of the individual to observers.  A form of nonverbal communication

20.  Looking people in the eye  A form of nonverbal communication

21.  Motions of a speaker's hands or arms during a speech

22.  Communication based on a person's use of voice and body, rather than on the use of words

23.  A speech done without preparing beforehand

24.  Anxiety over the prospect of giving a speech in front of an audience