The term C-Note is another way of describing a US $100 bill,
the largest denomination in circulation. In Roman numerals,
"C" is equivalent to 100. Also, some believe the "C" stands for century,
which is 100 years.
For example, you decide that the word "BLUE" goes in that space in the middle of the grid. To see if you're right, click on the word "BLUE" on the left. It automatically highlights. While it's highlighted, click on the asterisk where you think "BLUE" goes in the grid.