Where is the structure of the us government describes in details?

The structure of the U.S. government is detailed primarily in the Constitution, which outlines the framework for the federal government. It establishes three separate branches: the Legislative Branch (Congress), responsible for making laws; the Executive Branch, headed by the President, responsible for enforcing laws; and the Judicial Branch, which interprets laws through the court system. Additionally, the Constitution includes amendments that further define and protect the rights of citizens and the powers of each branch.