Nachschlagewerke; Reference books ; Language testing ; Technical language (teaching of) ; Français fonctionnel; Teaching of technical language ; Pragmatische Kompetenz; Pragmatic competence; Communicative competence ; Zweitspracherwerb (ungesteuerter) ; Second language acquisition (untutored) ; Natürlicher Zweitspracherwerb; Second language acquisition ; Processability theory; Language comprehension (second language acquisition)