A thematic statement is to a speech as a thesis statement is to a paper. Both provide a clear purpose.

Logos refers to the 

Gestures should be meaningful and natural. Not all hand movements are meaningful gestures.

The suffix in spondylectomy is:

When considering the use of typing fonts for a Visual Aid, using all capital letters will ensure that the information is clear and easy to read.

fallacy means

Throughout history people have used public speaking as a vital means of communication. Public speaking is a way of making your ideas public by sharing your ideas with other people and influencing them

On average, a person speaks at a rate of

Extemporaneous speaking allows the speaker to focus on an exact word choice.

The purpose of the thematic statement is