DIGLOSSIA: PHENOMENON AND LANGUAGE THEORY

Diglossia is usage variaties of one language that coexist with their respective roles. In their development, the usage roles of high variety (H) and low variety (L) are found not only in one language, but also in multi languages, also called double diglossia. The double diglossia can be in the form of double overlapping diglossia, double nested diglossia, or linear polyglossia.