I don’t like Microsoft.

But I am rather fond of their “Disagreeably Facetious Type Glossary.”

I particularly like this bit:

BOWLS are strokes that enclose a white space, like those that make the o and O. The two parts in the g are also bowls. Where a curve partially encloses a space it is also sometimes called a bowl, as in C. But it shouldn’t be. In a B you have two bowls. In the C you have a curved stroke and a COUNTER. The lower space in a Baskerville g is a counter. The upper is also.

The rest of this witty guide is definitely worth a read. Enjoy!