A colon looks like two dots, sat one on top of the other. They work as a team. (coughs) As a team guys! You’ll need the help of a colon when you want to introduce a list. I play a few sports: swimming ...

I've talked about colons more than once in this column, but my focus is usually limited in scope. I zoom in on the little questions, like how many spaces to put after a colon and whether it should be ...