It describes the systems of low-Latin, then French medieval sixteenth century to modern times. The History of the French language from its origins to the varieties of French current deals jointly external history of French (political and cultural events, social change, institutions like the French Academy, the role of official bodies) and its internal evolution (pronunciation, spelling, morphology, syntax, vocabulary). Varieties of French in the world (Belgium, Switzerland, Quebec, Creole, Acadian . Particular emphasis is given to codifications spelling, grammar, rhetoric and reflection on language.