Punctuation & Its Powers Vocabulary

joins independent clauses without a conjunction; signals close relationship

“I came; I saw; I conquered. Use it when a period is too strong, a comma too weak.”

sets off parenthetical content with emphasis—like this—or signals a break

“He was going to win—or so he thought. The em dash adds drama.”

indicates ranges or connections between items

“Pages 10–15. The London–Paris train. The Clinton–Gore campaign.”

the comma before 'and' in a list of three or more

“I love my parents, Batman, and Wonder Woman. (Without it: my parents are superheroes.)”

introduces what follows—a list, explanation, or elaboration

“She had one goal: victory. A colon says 'namely' or 'as follows.'”

indicates omission, trailing off, or suspense

“She opened the door and saw... nothing. The ellipsis creates pause.”

an inserted phrase that adds information without changing the main sentence

“The CEO (who had just arrived) immediately took charge.”

a noun phrase that renames or explains another noun

“My brother, a doctor, lives in Boston. Set off by commas if non-essential.”