Like notaries, witnesses aren't generally required in order for a contract to be legally enforceable. However, each state may require special kinds of contracts (e.g., real estate deals, wills, and marriage agreements) to be witnessed by a third party in order to be binding.
McDonald's, apparently, use red and yellow because red=fast and yellow=hunger (hence fast food!). Remember also that meaning is what we create. It does not exist in the color itself and individual meanings may or may not exist in different cultures and individuals.
Reds: Reds can invoke a feeling of warmth, but red is also a bold color. It can be used to represent heat, rage, fire, passion, romanceâ¦all strong elements and emotions. Red is often used by fast food chains because it is said to stimulate the appetite.