What an authority is
Authority is the inner mechanism through which a person makes decisions that are right for them. It isn't the mind: the mind is good at analysing and advising others, but poor at deciding for the person themselves. Authority depends on which centers are defined, and the order is strict: a defined Emotional center means Emotional authority; then Sacral, Splenic, Ego, Self-Projected (G center), Mental, and for Reflectors, Lunar.
How to use it
Strategy tells you when a decision comes to you; authority tells you what it should be. Together they replace deciding with your head: some wait for emotional clarity, some trust an instant Sacral yes or no, some listen to the quiet instinct of the body.