Evaluation criterion (language teaching) ; ESP; English for academic purposes; EAP ; English as a second language; ESL; TESOL ; Glottodidaktik; Lehrforschung; Pädagogische Linguistik; Pedagogical linguistics; Language teaching research ; English as international medium ; Universalien (Philosophie) ; Universals (philosophy) ; Essentialismus; Essentialism; Aktualismus; Actualism; Ontology ; English