How many meanings can you think of for the letter X? There are at least twelve.

Possible answers:

1. Roman numeral for 10

2. Strike in bowling
3. Where you sign
4. How you sign if you can't sign
5. Where you are, on certain maps
6. The spot

7. Multiplication sign
8. Celebrated variable in algebra
9. Wrong
10. Female chromosome
11. Unknown identity 
12. Symbol for a kiss