The Constitution has three parts. In the , the purpose of the document and the federal government is explained. The explain how the government will be structured. For example, Articles 1, 2, and 3 describe the three and how each branch will work, the requirements to serve in a government role, and the they have on other branches. The are additions or changes to the Constitution. The first ten amendments are collectively known as the , and they specifically list rights and protections all citizens have that the government cannot infringe upon. In summary, the Constitution is a legal document that explains the of the government, and provides a list of for its citizens.