The term 'One Calling the Shots' is a phrase that refers to someone who is in charge and makes all the decisions. The crossword solutions for this phrase are REF, VET, and BOSS. The word REF is short for referee, which is someone who is responsible for making sure the rules of a game or competition are followed. The word VET is short for veteran, which is someone who has served in the military for a long period of time. Finally, the word BOSS is a term used to refer to someone who is in charge and makes all the decisions. All three words can be used to describe someone who is in charge and makes all the decisions.