Treaty is the ubiquitous tool through which all kinds of international transactions are conducted.

Treaty is a written agreement by which two or more states or international organizations create or intend to create a relation between themselves, operating within the sphere of international law.

A treaty is an international agreement concluded between states in written form and governed by international law.

Treaties are agreements, of a contractual character, between states or organizations of states, creating legal rights and obligations between the parties.

Treaty is every kind of agreement.