Navigation is the process of finding things in large or complex information spaces, such as on websites. Its purpose is to a help users find the content they want quickly. There are many navigation methods to make a website easy to navigate.
News Aggregator
A software program the periodically reads a set of news sources, in one of several XML formats, finds the new bits, and displays the results on a single page.
Non-replaced Element
In general, those elements whose content is contained in the document.
