The exclamation mark, also called an exclamation point, is a punctuation mark that goes at the end of certain sentences. It’s less common than the period or question mark, but it’s very easy to use. Some might say it’s too easy to use.
What Is an Exclamation Mark For?
Periods go at the end of declarative sentences, question marks go at the end of interrogative sentences, and exclamation marks go at the end of exclamatory sentences.