One of the trickier parts of creating a Web site is giving your visitors an idea of the scope of information contained in your site and then making that information easily accessible without confusing or overwhelming them. Frames can be the key to organizing your site and making it easy to navigate.
By dividing a page, called a frameset, into frames, you allow the visitor to see more than one page at a time, without completely cluttering up their screen. Each frame contains its own Web page, and theoretically could be viewed independently in a separate window.