When I need to make sure an audience has the information necessary to understand the body of your speech, your preview statement in the introduction might include a Definition.
A definition is a brief phrase used to describe or clarify a concept or piece of knowledge. When giving a speech one need to make people become aware about the topic given and the body of the speech should be understanding this can be done by first explaining a topic in a easy rectified simple language so that the more depth understanding can be done easily.
One of the most characterizing elements of the acknowledgment by-segments hypothesis is that it empowers us to perceive questions paying little respect to survey point; this is known as viewpoint invariance. It is suggested that the purpose behind this impact is the invariant edge properties of geons.