After the Preamble, the rest of the U.S. Constitution is divided into seven sections called ARTICLES.
Article 1 - Legislative Branch. Its powers and duties. Article 2 - Executive Branch. Its powers and duties. Article 3 - Judicial Branch. Its powers and duties. Article 4 - Powers and duties of the States Article 5 - Powers of the Congress to propose Amendments Article 6 - Deals with Treaties made before and after the establishment of the Constitution. Article 7 - Ratification of the Conventions of the States