Computer (Sprachunterricht) ; Computer (language teaching) ; CALL; E-learning; Mobile-assisted language learning; MALL ; Körpersprache; Chronemics; Kinetik; Kinesics; Nonverbal communication ; Code-clustering; Bildlinguistik; Co-speech gesture; Embodiment (Kommunikationsforschung) ; Embodied interaction; Multimodal communication ; Classroom communication; Instructional communication ; Semiotic sociology; Soziosemiotik; Sociosemiotics; Social semiotics ; 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) ; Case study (second language acquisition) ; English (American) ; USA (English language in the) ; USA (engl. Sprache in den) ; English in the USA; Englisch in den USA; American English