Linguistic diversity

Example and reference
Appendix 2 of the Main Version of the Guide for the development of Language Education Policies in Europe. 2007. Council of Europe.
Definition
Presence of different language varieties in the same geographical areas (see multilingual, multilingualism) or in the language repertoire of a speaker (see plurilingual, plurilingualism, repertoire). The preservation and significance of linguistic diversity have become shared values in European societies; can be implemented through plurilingual education