Skip to Content


Punctuation indicates emphasis within a sentence. There's a wide range of punctuation marks available to you as an author; for more information on each mark, please see the links below. For a detailed explanation of how to use commas, semicolons, and colons, please click on the link below:

Commas, Semicolons, and Colons (12:36 video)

While the video is playing, click "Menu" to navigate through the presentation or see the transcript. If you would like to return to specific sections of the video, please see below:

  1. Introduction (1:28)
  2. Sentence Structure and Clauses (3:27)
  3. Commas (3:12)
  4. Semicolons (1:52)
  5. Colons (:40)
  6. Cheat Sheet (:23)
  7. Conclusion (provide feedback and contact the Writing Centre 1:34)

Click on Commas, Semicolons, and Colons (PowerPoint) if you would like the slides from the video; the transcript is available via the slide notes.

To search for additional information, please visit WriteAnswers and search the FAQs. If you're a RRU student, you can also use the WriteAnswers contact form to send your questions directly to the Writing Centre. We'll send you a private reply as soon as we can, which is typically within one business day of receiving the message.