DaF; Deutsch als Zweitsprache; German as a second language; DaZ; German as a foreign language ; Unhöflichkeit; Impoliteness; Rudeness; Politeness (style of speech) ; Pragmatische Kompetenz; Pragmatic competence; Communicative competence ; Cross-cultural pragmatics; Pragmatics, cross-cultural; Pragmatik, interkulturelle; Intercultural communication ; Second language acquisition (pragm.) ; Zweitspracherwerb (pragm.) ; Interactionist hypothesis (second language acquisition) ; Conversational analysis (second language acquisition) ; German
