Second language acquisition (language teaching) ; Zweitspracherwerb (Unterricht) ; Foreign language teaching ; Lehrplan; Instructional advice ; Foreign language teaching policy ; Metalinguistic awareness (in children) ; Phonics (teaching of) ; Phonologische Bewusstheit (bei Kindern) ; Phonological awareness (in children) ; Focus on form (language teaching) ; Sprachbewusstsein (bei Kindern) ; Linguistic awareness (in children) ; Second language acquisition in children; Kindlicher Zweitspracherwerb; Child second language acquisition