Applied linguistics ; Language (economic aspects) ; Language business ; Restaurant; Business communication; Notruf; Emergency call; Service encounter ; Unternehmenskommunikation; Business communication; Organizational communication ; Ökologie und Sprache; Ecology and language; Umweltschutz; Pollution; Umweltbelastung; Ökolinguistik; Ecolinguistics; Klimawandel; Climate change; Language and ecology ; Sprachenpolitik; Language management; Language politics ; Einfluss von Sprachen aufeinander; Sprachberührung; Areallinguistik; Languages in contact ; Language diffusion; Language shift; Sprachwechsel; Language spread ; Language revival; Language revitalization
