THIS IS WHAT I'D SAY TO A FRIEND FROM ANOTHER COUNTRY.
The Legislative branch is made up of congress also known as "The House of Representives", who make all of the laws in America.
The Executive branch is made up of both the president and vice president, and most of federal agencies. They're responsible for carrying out the laws of congress in America.
Last but not least, The Judicial branch is mude up of the supreme court and other courts that are responsible for evaluating laws which mean they make a decision if the laws are worth it and if it is beneficial for America.