Greeting is the ritualized form of introducing various types of interaction (Communication), from an encyclical addressed to a nation or the church through (semi-)private correspondence to the salutation of a letter or an exchange of pleasantries in the street, but also in the form of an insult (Iniuria) or challenge, designed to provoke a violent response (Violence; see 3. below). Whether formulaic or highly personalized, greetings are m…