Computer (Sprachunterricht) ; Computer (language teaching) ; CALL; E-learning; Mobile-assisted language learning; MALL ; Pragmatische Kompetenz; Pragmatic competence; Communicative competence ; Cross-cultural pragmatics; Pragmatics, cross-cultural; Pragmatik, interkulturelle; Intercultural communication ; Unternehmenskommunikation; Business communication; Organizational communication ; English as international medium