When to Use a Period

The period offers maximum separation between ideas.

Use a period to end a sentence (unless it's a question or an exclamation) or to punctuate most abbreviations.

(Organizations, like NCAA, MTV, and NAACP don't need a period. Neither do acronyms, like NATO or SWAT, which are abbreviations that are pronounced like words.)

Sounds easy enough, right?

Examples

Common Mistakes