"SSN" or "Social Security Number" is a nine digit number that is issued by the federal government. This number is used to track Social Security savings but is also used by creditors, banks, employers, hospitals and other organizations.
A "joint venture" is an arrangement by two or more parties to pursue a particular business undertaking. Joint ventures can be implemented as a partnership, LLC, corporation or contractual arrangement. The joint venture agreement sets forth the rights and responsibilities of the joint venturers.