The primary objective of language policy in international relations is to facilitate communication between nations, ensuring that diplomatic, economic, and cultural exchanges can take place effectively.

UNESCO is the United Nations agency responsible for promoting linguistic diversity and multilingualism, as well as protecting and preserving cultural heritage.

The term 'official language' refers to the language that is recognized by a government as the language of official communication, administration, and education.

The ICCPR recognizes the rights of linguistic minorities, including the right to use their own language in education, public life, and the media.

Multilingualism refers to the use of two or more languages by an individual or a community.

Mandarin Chinese is the most widely spoken language in the world, with over 1.1 billion native speakers.

Language shift refers to the process by which one language gradually replaces another as the primary language of a community.

The OIF is an international organization that promotes the use of French as a global language and supports linguistic diversity.

A second language is a language that is learned after the native language.

The OEI is an international organization that promotes the use of Spanish as a global language and supports linguistic diversity.

Language revitalization refers to the process of reviving a language that is no longer widely spoken.

The Arab League is an international organization that promotes the use of Arabic as a global language and supports linguistic diversity.

A minority language is a language that is spoken by a small number of people, typically less than 1% of the population.

The CPLP is an international organization that promotes the use of Portuguese as a global language and supports linguistic diversity.

A majority language is a language that is spoken by a large number of people, typically more than 50% of the population.