What does killing food mean in Zhouyi's prediction?

This is a professional term in the eight-character prediction (four-column prediction) of Zhouyi. Killing the stars represents restraining the partial officials of the Japanese Lord (Rizhu Tiangan), which is equivalent to an irresistible restraint. Eating is a god of food, born by the sun Lord, equivalent to a child, consuming one's own strength. Real wealth refers to a wife and money that can be completely controlled by yourself.