Because you not relying on, and reading from, a word-for-word text you are free to interact with your audience.
You are able to:
<span>make eye contact, respond, gesture <span>and move freely. </span></span>
B) aesthetics. If you look up the definition it talks about how we determine beauty. For example in art
Contrast: The work in today's art is a lot more advanced. Prehistoric people were simple and didn't use the major fundamentals of art. They're work is really abstract and really only consisted of warm colors and black.
Compare: Like some of today's artists, some of the prehistoric painting tell stories, or describe ones feelings.
Hope that helps!!! <span />