1. Concept. The Greek term ϰηρύσσω was adopted by the NT writers (mostly in the form of the noun ϰήρυγμα) and used to signify in a specifically biblical way a central reality of Christianity. It can indeed be regarded as one of the key concepts for the description of revelation. Neither the ОТ (where the most frequent corresponding term was קּדא) nor the NT explain the term explicitly, but the usage is clear enough. The word, as a substantive, denotes both the act and the message, and ranges in meaning from “address” and “call out” to “summons”; in Engli…