Second language acquisition (language teaching) ; Zweitspracherwerb (Unterricht) ; Foreign language teaching ; DaF; Deutsch als Zweitsprache; German as a second language; DaZ; German as a foreign language ; English as a second language; ESL; TESOL ; Metalinguistic awareness; Phonologische Bewusstheit; Phonological awareness; Focus on form (language teaching) ; Sprachbewusstsein; Linguistic awareness ; Bilingual education ; Zweitspracherwerb (ungesteuerter) ; Second language acquisition (untutored) ; Natürlicher Zweitspracherwerb; Second language acquisition ; German
