DaF; Deutsch als Zweitsprache; German as a second language; DaZ; German as a foreign language ; Glottodidaktik; Lehrforschung; Pädagogische Linguistik; Pedagogical linguistics; Language teaching research ; Metalinguistic awareness; Phonologische Bewusstheit; Phonological awareness; Focus on form (language teaching) ; Sprachbewusstsein; Linguistic awareness ; Processability theory; Language comprehension (second language acquisition) ; Subjunctive ; Wortstellung; Satzfolge; Serialisierung; Serialization; Word order ; German