Lehrplan; Syllabus; Curriculum research ; Mother tongue (teaching of) ; Instruction (medium of) ; Medium of instruction ; Techniques (in research) ; Research techniques ; Linguistic imperialism; Globalisierung; Globalization; Transnationalization; Colonialism/Globalization ; Sprachenpolitik; Language management; Language politics ; Multilingualism; Polylingualism; Plurilingualism ; Script choice; Biliteracy; Multiscriptality; Mehrschriftigkeit; Digraphia ; Hongkong (engl. Sprache in) ; Hong Kong (English language in) ; English in Hong Kong ; Mandarin; Kantonesisch; Cantonese; Putonghua; Sinitic; Hakka; Yue; Chinese