Writing instruction ; Self-disclosure; Self-presentation (communication research) ; Ethos (rhetor.) ; Self-presentation (rhetor.) ; Self-presentation (semiot.) ; Identität und Sprache; Identity and language; Fremdheit und Sprache; Estrangement and language; Sprache und Integration; Integration und Sprache; Language and identity ; Multilingualism; Polylingualism; Plurilingualism ; Second language acquisition (pragm.) ; Zweitspracherwerb (pragm.) ; Interactionist hypothesis (second language acquisition) ; Conversational analysis (second language acquisition) ; Zweitspracherwerb (Textproduktion) ; Second language acquisition (text production) ; Text production (second language acquisition) ; Discourse analysis (text.) ; Text analysis ; Text production ; Schreibperformanz; Written composition (research on) ; Architextualität; Architextuality; Genre theory ; Japanese