You probably think you're well acquainted with jelly. You've carted PB&J sandwiches in your boxed lunches since grade school, after all. Maybe your parents customized yours with banana slices or ...

What do you like to spread on your toast? Jam? Jelly? Preserves? If you're someone who tends to use these terms and others interchangeably when referring to a little jar of preserved fruit, don't ...