What is :?

Colon (:)

The colon (:) is a punctuation mark with several uses. It's primarily used to introduce an explanation, example, series, or quotation. It signals to the reader that what follows will elaborate on, clarify, or specify what has come before.

Key Uses:

Important Considerations:

  • A colon should generally be preceded by an independent clause. This means the part of the sentence before the colon should be able to stand alone as a complete sentence.

  • Capitalization after a colon varies. If what follows the colon is a complete sentence, it is generally capitalized in formal writing. If it's just a list or phrase, it is not usually capitalized.

  • Overuse of colons can make writing feel stilted. Use them judiciously and consider alternatives like dashes or semicolons.