There are seven articles of the Constitution.  Article One outlines the Legislative branch.  Article Two lays out the framework of the executive branch.  Article Three outlines the Judicial  branch.  Article Four talks about the relationship between the federal government and the states.  Article Five explains how the Constitution can be changed.  Article Six  makes it clear that the Constitution is the Supreme Law, which means that the states can't make laws against the Constitution.  Article Seven says that the Constitution will go into effect when it is ratified by nine states.