What are the seven major parts of the Constitution called?

The 7 main parts of the US Constitution are called Articles, and each deals with a specific portion of the federal government or the Constitution itself:

Article I - The Legislative Branch (Congress)

Article II - The Executive Branch (President and departments)

Article III - The Judicial Branch (US federal courts)

Article IV - The States powers in relation to the federal government

Article V - Amending the Constitution

Article VI - Application of the Constitution (supreme law of the land)

Article VII - Ratification of the Constitution