To “close the loop” means to complete a cycle or process by addressing all necessary steps or components. It involves ensuring that all aspects of a task or project have been properly executed and accounted for, leaving no loose ends or unfinished business. This phrase can also refer to the act of providing feedback or follow-up in order to bring a conversation or interaction to a satisfactory conclusion. In a broader sense, “closing the loop” can signify achieving a sense of closure or resolution in any situation.