Etiquette
When they give/receive gifts
What did people need to focus on when they giving gifts in US?
Generally speaking, they don't give gifts casually and gifts are usually not very expensive, they are just books,flowers, chocolate candy and so on.
One of the most eye-catching is the annual Rose Parade in Pasadena,a suburbs of los angeles. Every year, nearly 60 large floats, bands and parade teams decorated with roses and various flowers from all over the United States and around the world attract thousands of viewers from all over the world.
How to address others when they meet ?
People like to call their names when they meet . This is a friendly expression. People rarely use formal titles to refer to others. Official titles are used only for judges, doctors, professors and so on.