In the real world, before you can go anywhere, you must know where you are. Web users can also get easily disoriented, being at a new place with no landmarks. For this reason, each page in a Web site should have a descriptive title and header which will be in the same spot on every page. The most important navigational tool is a standard button, icon, and/or text link which returns to the main page of the Web site.
What is the importance to have a button that takes you back to the main page on each web page? How does dead end or orphan pages affect the continuity of a website?