The phrase "supreme commander" refers to the highest-ranking military officer in charge of all branches of an armed forces. Some synonymous terms might include "commander-in-chief," "generalissimo," "warlord," or "supreme leader." Other alternatives could include "top-ranking officer," "ultimate commander," or "chief of staff." These terms are often used in politics, military and government circles to describe a person who has absolute authority over all military operations. In addition, "supreme commander" can be applied to other contexts, such as the head of a corporation or organization, the ultimate decision-maker or manager who is responsible for all of its operations.