Learning disability ; Referring (conversational analysis) ; Reference (conversational analysis) ; Indexicals; Indexikalische Ausdrücke ; Self-disclosure; Self-presentation (communication research) ; Anleitung; Commands; Anweisungen; Instruction ; Anweisungen; Commands; Directives ; Exercitives; Prohibitions ; Personal pronoun ; Self-reference ; Volitiv; Volitive; Dynamische Modalität; Dynamic modality; Deontic modality ; English (American) ; USA (English language in the) ; USA (engl. Sprache in den) ; English in the USA; Englisch in den USA; American English