Article 1: Legislative Branch, makes laws
Article 2: Executive Branch, enforces
laws, also has the power to veto
Article 3: Judicial Branch, interprets the law
Article 4: Federalism, which is the divided powers between local and national governments.
Article 5: Formal Amendment, an amendment can be proposed, but to become formal needs to be passed with a 2/3 vote by congress.
Article 6: Supremacy Clause, the federal government is basically the law of the land, and what they say goes.
Article 7: Ratification says that at least 9 states need to ratify the constitution in order for it to be applied in other states.