Needs assessment (language teaching) ; Second language acquisition (language teaching) ; Zweitspracherwerb (Unterricht) ; Foreign language teaching ; Glottodidaktik; Lehrforschung; Pädagogische Linguistik; Pedagogical linguistics; Language teaching research ; Cross-cultural pragmatics; Pragmatics, cross-cultural; Pragmatik, interkulturelle; Intercultural communication ; Kommunikationstechnologie; Informationstechnologie; Information technology; Informationstechnik; ICT; Communication technology ; Linguistic imperialism; Globalisierung; Globalization; Transnationalization; Colonialism/Globalization ; Language and power; Power and language; Dominance and language; Herrschaft und Sprache; Logocracy; Language ownership; Language and domination ; Multilingualism; Polylingualism; Plurilingualism ; Auswanderer; Emigrants; Migrant; Aussiedler; Gastarbeiter; Arbeitsmigranten; Immigrants/Emigrants ; English as international medium