The term 'Big Break' can refer to a number of different things. In this case, the crossword solutions for the term are 'SCHISM' (6 letters) and 'RIFT' (4 letters). A SCHISM is a formal division within a religion or organization, while a RIFT is a less formal split between two people or groups. Both terms refer to a separation or break between two entities, which is why they were used as solutions for the term 'Big Break'.