Computer (Sprachunterricht) ; Computer (language teaching) ; CALL; E-learning; Mobile-assisted language learning; MALL ; Cross-cultural pragmatics; Pragmatics, cross-cultural; Pragmatik, interkulturelle; Intercultural communication ; Misunderstanding ; Schichtenspezifischer Sprachgebrauch; Barrierefreiheit (Kommunikationsforschung) ; Communication access; Communication barrier; Language barrier ; Minoritätensprache; Minority language ; Clinical linguistics ; Pragmatic competence (pathol.) ; Pragmatische Kompetenz (pathol.) ; Communicative competence (pathol.) ; Kommunikative Kompetenz (pathol.) ; Conversational analysis (pathol.) ; English (American) ; USA (English language in the) ; USA (engl. Sprache in den) ; English in the USA; Englisch in den USA; American English ; Chicano; Puertoricans; USA (span. Sprache in den) ; Mexican American Spanish; USA (Spanish language in the) ; Spanglish; Inglañol; Tex-Mex; Spanish in the USA