The term DECISIVE POINT can be broken down into two crossword solutions: CRUX (4 letters) and CLIMAX (6 letters). CRUX is a Latin word meaning 'CROSS' or 'crucial point, ' and it is often used to refer to the decisive moment in a story or argument. CLIMAX is a literary term that refers to the highest point of intensity or drama in a narrative, usually occurring near the end of the story. In this context, the decisive point could be seen as the CLIMAX of the story, where the most important events take place.