Techniques of persuasion.
Has had a bad rap throughout ages. Appears necessary in democratic societies. Preserved under authoritarian systems for justice and theology, and for elite groups. In western republic democracies, mainly practiced by professional politicians (elective nobility) and lawyers. Porosity between the two groups.
More and more essential in the companies that want to emphasize group problem solving and collaboration. Practiced without knowing it, in a dry style, by engineers via their communications and documentations.
- Magic/Mysterium. In classical times it was clear that it takes time to develop know-how. Practice. Initiation. Hence roles of schools as safe space for learning and practice.