In the Default URLs section you can change the following settings:
The default urls is the pages that Internet Explorer displays incase of an error or something lik that. By using these options you can use your own personalized pages to display. You can change the Blank page (default: "res://mshtml.dll/blank.htm"), Navigation cancelled (default: "res://shdocvw.dll/navcancl.htm"), Navigation failed (default: "res://shdocvw.dll/navcancl.htm") and Offline failed (default: "res://shdocvw.dll/offcancl.htm").
The URL Templates section offer the following possibilities:
The URL templates is a function in Internet Explorer that makes it possible to type just "jockesoft", and if you have "www.%s.com" as the first template, then Internet Explorer will try to open the "www.jockesoft.com" page.