Colons

The main use of colons is to introduce lists, series, examples, and explanations.

  • Place semicolons and colons outside quotation marks and parentheses.
  • Introduce a displayed list with the beginning of a sentence followed by a colon. If the introduction is a complete sentence, end it with a period, of course.
    Correct
    The available objects are:
    • Accounts
    • Opportunities
    • Quotes
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  • Within a single sentence, use a colon to introduce a series only when the introduction is a complete sentence. Don't capitalize the word following a colon within a sentence unless it's a proper noun or the text following the colon is a complete sentence.
    • The report included the most critical areas: budget, staffing, and workload.
    • The report covered budget, staffing, and workload.
  • Use a colon to separate two clauses when the second explains the first. Capitalize the word following the colon only when it's a complete sentence or formal quotation. For example: Don't forget this point: The report is due by 9:00.
  • In titles, use a colon to separate a title from a subtitle.