Being almost an encyclopedia of how things work the site must provide the user with a way of finding information that interests them. The Site employs a search facility that will search not only the website itself but also the web to find matching criteria. All pages are organised into groups giving the site a hierarchal structure. The main page offers links to the latest and most popular topics including those often searched for by users. This randomly generated approach adds a slight element of the web structure. The most dominate website structure here is hierarchal.