The term 'DEAL PREREQUISITE' can be broken down into four crossword solutions: ANTE (4 letters), TEST (4 letters), PAIN (4 letters), and CUT (3 letters). An ante is a stake or contribution made by each player in a card game before the game begins. A TEST is an examination of knowledge, skills, or abilities. PAIN is an unpleasant physical or emotional sensation. Finally, CUT is to divide something into two or more parts with a sharp instrument. All of these terms are prerequisites for a deal, meaning they must be fulfilled before a deal can be made.