a method or system of government or administration; a set of rules for diet, exercise etc for improving one's health and physical well-being

leadership of organization

(a period of) a rule; to rule as a king or queen; to exist

rule, dominion

the state, quality, of being responsible; something for which a person is responsible; duty

accountability, blame

(the period, right etc of) holding (e.g. political office) or using (land)

time in position of responsibility