Indonesia ; Philippines ; Periphery (linguistic geography) ; Core/periphery (linguistic geography) ; Three circles model (of world Englishes) ; Center/periphery (linguistic geography) ; History of language ; English as international medium ; Language variation/Dialectology ; Other varieties of English ; Hongkong (engl. Sprache in) ; Hong Kong (English language in) ; English in Hong Kong ; Singapur (engl. Sprache in) ; Singapore (English language in) ; Singlish; English in Singapore