Configuring Discussion Settings
The Discussion module, shown in Figure 9-3, is where you can make changes to your global discussion settings (discussed in Chapter 7) for a specific blog post. If you want to allow comments on your post, check the Allow comments box.
Similarly, if you want trackbacks from other blogs to be published in the comments section of your post, check the Allow trackbacks and pingbacks on this page box.
A pingback, or ping, is an automated verification from one website to another, which typically happens behind the scenes and confirms that a site exists and accepts notifications (such as trackback notifications). ...