I am having little hard time to understand what Movable Type's TrackBack means to me, so I read the Movable Type manual myself:
Movable Type’s Trackback system allows peer-to-peer communication and conversations between weblogs. Imagine that you write about a movie you just saw in an entry on your Movable Type-powered weblog. Another MT weblogger reads your entry, and wants to write an entry referencing your original post. He/she could just comment on your weblog, but he’d like to keep the post in his own database and host it on his site.
If you would like to discuss about my blog entry in your blog, simply hit here to grab the trackback URL and you need to have your own Movable Type system to put this URL into your new entry page:
Continue reading TrackBack Explained.

