The term 'BIZ BIGGIE' refers to a person in a high-level position in the business world. The crossword solutions for this term are EXEC (4 letters), PREZ (4 letters), CZAR (4 letters), and CEO (3 letters). EXEC stands for executive, PREZ stands for president, CZAR stands for CZAR or emperor, and CEO stands for chief executive officer. These titles refer to people who have a great deal of power and influence in the business world.