90% of the time, speakers of English use just 7,500 words in speech and writing. These words appear in red, and are graded with stars. One-star words are frequent, two-star words are more frequent, and three-star words are the most frequent.
As soon as someone becomes a new US citizen, they must also say this in an official ceremony. When you say the Pledge of Allegiance you have to stand up, put your right hand over your heart, and look at the flag.