English as a second language; ESL; TESOL ; Verbal memory (language teaching) ; Wortschatz (Sprachunterricht) ; Lernwortschatz; Vocabulary teaching ; Memory (verbal) ; Gedächtnis; Retrieval (psycholing.) ; Verbal memory ; Semantization (second language acquisition) ; Speech perception (second language acquisition) ; Sprachperzeption (Zweitspracherwerb) ; Speech production/speech perception (second language acquisition) ; Concrete word; Imageability (psycholing.) ; Konkretum; Abstract word/concrete word ; Canada (English language in) ; Kanada (engl. Sprache in) ; English in Canada ; Frankokanadisch; Franco Canadian; Kanada (fr. Sprache in) ; Canada (French language in) ; French in Canada