Signing papers shows ability to get important things done. Greeting ordinary people shows popularity and caring. Speaking from a podium emphasizes power and good ideas. Candidates are usually doing things in color. Opponents are usually doing things in black and white.
Supers are words printed in large letters on the screen.
They appear over a background that is supposed to exemplify whatever is represented in the super. Supers often try to make maximum use of code words. These are words that sound simple but carry vast stereotyped and sometimes unconscious meaning for viewers. Another word that is often code for race.