It can show you what the speaker is doing and thus you will know why they are doing it. once you know this you will know what to expect in a speech and thus the speech does not work on you as effectively.
the symbol or how you say it?
Answer:
The Carnegie Deli is a small Jewish delicatessen, formerly a chain, based in New York City. Its main branch, opened in 1937 near Carnegie Hall, was located at 854 7th Avenue (between 54th and 55th Streets) in Midtown Manhattan.
1937