Which video where you watching?
In this one:
https://www.youtube.com/watch?v=kbplAlzNexI&feature=youtu.be&hd=1
she uses Blog-Results.php, Blog-Details.php and Blog-All.php
Your friends over here at WebAssist! These Dreamweaver extensions will assist you in building unlimited, custom websites.
These out-of-the-box solutions provide you proven, tested applications that can be up and running now. Build a store, a gallery, or a web-based email solution.