The term 'What a White Flag Signifies' can be summarized by the crossword solution 'TRUCE, ' which is a five-letter word. A white flag is a universal symbol of surrender, and when it is raised, it signifies that the person or group raising it is willing to negotiate a TRUCE or cease-fire. This is often done in times of war or conflict, when both sides are willing to come to an agreement and end hostilities.