Sociolinguistics ; Sociodialectology ; Periphery (linguistic geography) ; Core/periphery (linguistic geography) ; Three circles model (of world Englishes) ; Center/periphery (linguistic geography) ; Regional language ; Sprachattitüde; Linguizismus; Linguicism; Prestige; Sprachliche Unsicherheit; Linguistic insecurity ; Schweiz (fr. Sprache in der) ; Switzerland (French language in) ; French in Switzerland ; Waadtländisch ; Other varieties of French