what is the difference between a Bill an Act and a Policy in terms of legislation in a country?

Question

These are Acts, Bills and Policies passed by the government or legal departments

Answer 1

Bill, a proposed law (or Act) based on an established Policy

Act (or Law) a Bill which has been made into law by the agreement of Congress and the President.

Policy, a theory or strategy to deal with various executive oversights (Energy, Foreign Affairs, Economy, etc.)