Fairclough and synthetic personalisation has two types of power: Influential and Instrumental.
Instrumental power is authoritative power, these people have power because of their position. Like headteachers, government officials, and police officers.
Features of Instrumental power include: imperatives, modal verbs, and declaratives.
Influential power is when someone doesn't have authority but tries to gain it anyway. Like the media, marketing, and politics.
Features of influential power include assertions, metaphors, and assumptions.