There's a wide range of punctuation marks available to you as an author; for more information, please see the video below on commas, semicolons, and colons, as well as navigate through the resources available via the left navigation menu.
For a detailed explanation of how to use commas, semicolons, and colons, please view the video below. The video will start automatically in browsers where autoplay of audio is enabled. If the video doesn't immediately begin, click the pause button and then click play.
While the video is playing, click "Outline" to navigate through the presentation or "Notes" to see the transcript.
To view the slides and read the transcript in the slide notes: Commas, Semicolons, and Colons (PowerPoint).