Social Policy is:
Policy is also used in agencies, organizations and the media to identify the means by which the law is implemented.
Bill - a proposed law that is put before the state legislature or U.S. Congress. It's not policy, but is helpful for understanding context of a future policy.
Hearing - a public meeting in which interested parties can express their opinions/concerns for the proposed legislation. It's not policy, but is helpful for identifying interested parties/organizations/advocates.
Statute = Law = Act. These are all terms used for legislation that has passed. It is policy.
Code - a compiled resource that consolidates and classifies laws, regulations and rules and provides and index by topic and how the legislation is used. (e.g. CFR - Code of Federal Regulations)
Public Policy is: (Link to The Public Policy Cycle Web Site)