Comments
Comments are the most direct way for readers to interact with your blog. They can share their thoughts right on your posts, whether or not they have blogs of their own.
Typepad offers a variety of configuration options for comments to suit different types of communities. You can let anybody comment at will, and to do so anonymously, require people to register for Typepad accounts and approve every comment before it goes live, or anything in between.
You can learn more about comments from the following articles:
TrackBacks
TrackBacks are a way for people who have written blog posts related to your own to add a link to their blog on your post. TrackBack can act as a sort of remote commenting system. Note, this feature is available to all Pro plans.
You can learn more about TrackBacks in the following articles: