The term 'BIG FINALE' can be broken down into two crossword solutions: 'Capper' (6 letters) and 'BIG' (3 letters). Capper is a term used to describe someone who caps or seals a container, such as a bottle or jar. It is also used to refer to someone who puts a lid on something, such as a pot or pan. BIG, on the other hand, is an adjective used to describe something that is large in size or importance. Together, the two words form the phrase 'BIG Finale, ' which is often used to describe a grand or impressive ending to an event or performance.