Frames allow you to split the browsers window up in to as many sections as you like, each capable of displaying its own document. Usually used for displaying a list of Contents (Links) on left side of the browser, which once clicked, display a document on the right side. When using frames, it's important you use the tag. As frames were only recognized by the w3c (world wide web consortium) as of version 4, the doctype tag ensures the file is correctly interpreted.
To use frames on a page we use