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:
According to the Restatement of Foreign Relations Law of the United States, the President may validly conclude executive agreements that (1) cover matters that are solely within his executive power, or (2) are made pursuant to a treaty, or (3) are made pursuant to a legitimate act of Congress.