Grammar rules can be tricky, but the difference in using a hyphen vs. dash is more straightforward than you might think. Read on to learn when—and how—to use each correctly in your writing.

Grammar columnist and expert June Casagrande dives into why we use the em dash and the AI myths associated with it.

How to use hyphen, en dash and em dash? As mentioned above, use a hyphen in intimately related concepts such as toll-free, tie-in, well-known and more.