The official languages of Tahiti and her islands are French and Tahitian. Although French is used in schools and business, the Tahitian language is still preferred by most islanders in their homes.
So, a treaty is a kind of executive agreement, one in which two thirds of the senate has provided advice and consent.. That language comes from Article II, Section 2, Clause 2 of the Constitution. This clause defines the procedure and authority for creating treaties. Its text:
Treaties and Executive Agreements | 25 Treaty Politics and the Rise of Executive Agreements International Commitments in a System of Shared Powers Glen S. Krutz and Jeffrey S. Peake http://www.press.umich.edu/titleDetailDesc.do?id=363522 The University of Michigan Press, 2009.