The full US process could be summed as: The Constitution defines some rights and laws. Congress is empowered to grant additional rights and make additional laws

The full US process could be summed as: The Constitution defines some rights and laws. Congress is empowered to grant additional rights and make additional laws. Congress also implements and defines rights and laws contained in the Constitution. If a citizen feels the Constitution has been violated by Congress, then the judicial system (headed by the Supreme Court) decides whether to invalidate the law(s) or not. If a majority of citizens wish to change the Constitution, then there is an amendment process.