X, To Caesar' is a phrase from Shakespeare's play Julius Caesar. It refers to the idea that everything belongs to the Roman emperor Caesar and that he has the right to take whatever he wants. The term 'X, To Caesar' is represented in the crossword by the solution TEN, which refers to the tenth month of the year, October. This alludes to the fact that Caesar was assassinated on the Ides of March, which is the 15th day of the month of March. Therefore, the term 'X, To Caesar' can be interpreted as a reminder that Caesar had the right to take whatever he wanted even though it ultimately led to his downfall.