The purpose of visuals is

a) To make the audience stop and think about what has just been said, or to emphasize a central idea.
b) To demonstrate that the ideas under discussion have the same level of importance.
c) To add clarity and precision to writing; it allows the writer to stop, pause, or give emphasis to certain parts of the sentence.
d) To explain an idea visually that cannot be expressed easily verbally.
e) To convey meaning or to persuade. It can also be a technique used to evoke emotions within the reader or audience.
1 mark

a) To make the audience stop and think about what has just been said, or to emphasize a central idea.