A theory is a well tested explanation that can be replicated.
A hypothesis is just an educated guess that can be proven or falsified.
And a law is something that can be universalized (universal).
There are six key goals stated by the Founders in the Preamble. "Form a more perfect Union, establish Justice, insure domestic Tranquility, provide for common defense, promote the general Welfare, and secure the Blessings of Liberty to ourselves and our Posterity."