ESP; English for academic purposes; EAP ; English as a second language; ESL; TESOL ; Sampling; Language corpus; Sprachkorpus; Datensammlung; Data collection; Textkorpus (method.) ; Text corpus (method.) ; Corpus linguistics ; BAWE corpus ; Publication language ; Worthäufigkeit; Häufigkeitsliste; Frequency list; Frequency (lex.) ; Word frequency ; Concrete word; Imageability (psycholing.) ; Konkretum; Abstract word/concrete word ; Encapsulator