Read all the points in the reference and discuss with your group about Indonesian diglossia. The conclusion of your discussion should be posted in this space.
In linguistics, diglossia is a situation where, in a given society, there are two (often closely-related) languages, one of high prestige, which is generally used by the government and in formal texts, and one of low prestige, which is usually the spoken vernacular tongue. The high-prestige language tends to be the more formalised, and its forms and vocabulary often 'filter down' into the vernacular, though often in a changed form. As an aspect of study of the relationships between codes and social structure, diglossia is an important concept in the field of sociolinguistics.More...