Second language acquisition (language teaching) ; Zweitspracherwerb (Unterricht) ; Foreign language teaching ; Advertising (language) ; Idiomatik, kontrastive; Idioms (contrastive analysis of) ; Contrastive analysis of idioms ; Indexicals; Indexikalische Ausdrücke ; Metalinguistic awareness; Phonologische Bewusstheit; Phonological awareness; Focus on form (language teaching) ; Sprachbewusstsein; Linguistic awareness ; Cultural semiotics ; Functions of language; Language function ; Language game ; Comparison ; Poster ; German ; Australia (English language in) ; Australien (engl. Sprache in) ; English in Australia