Lehrbuch; Arbeitsbuch; Course book; Textbook; Workbook; Übungsbuch; Introductions (to linguistics) ; Language comprehension in animals ; Sign language ; Short message service; SMS; Whatsapp; Text message ; Language and thought (speech production) ; Language and sex; Gender studies; Metrosexuality; Language and gender ; Ageism ; Stigma; Prejudice ; Triggering (language acquisition) ; Language exposure (language acquisition) ; Input hypothesis; Input (language acquisition) ; Zweisprachigkeit; Bilingualism ; Bilingualism, bimodal; Bimodal bilingualism ; Mundartforschung; Dialectology ; Critical period (second language acquisition) ; Alter (Einfluss auf Zweitspracherwerb) ; Age (influence on second language acquisition) ; Ultimate attainment (second language acquisition) ; Near-native competence (second language acquisition) ; AoA; Age of acquisition (second language acquisition) ; Sensitive period (second language acquisition) ; AAVE; Black English; African American English
