Here's a better explanation:   ROOT  Whoever or whatever the event/decision goes to. In an on_action, the game looks for various triggers (on_birth, on_pregnancy, on_death, etc) and then fires (if the event is guaranteed) for that person in either a character_event, long_character_event, or narrative_event. Whoever triggered it and got the event will be ROOT (some exceptions apply, see the on_actions file). This also applies to provinces, in the case of province_event. A prov