The vast majority of Social Interactions are Influence Activities a target. A character can bring their Charisma to bear, with either theatrics (positive) or crassness (negative) both having an equal impact. In certain settings, certain signs, symbols, institutional displays, social status displays, and equipment can add to the effectiveness of trying to intimidate a target. Characters can develop these types of actions as Accomplished Activity.
Target must be able to understand; the person attempting receives a penalty of -2 for every level under 4 in the language being used.