When you use a blog engine software as WordPress, you soon discover (as I do right now) that one of the great helps this is bringing to the web site owner is the quick and easy reconfiguration and the fast adaptation of the web site that becomes possible.
For example, the categories list (the news themas appearing in the menu on the right side here) can be modified in a matter of seconds without the need for a lot of HTML code. A few clicks and the list is changed. A mere program line and the presentation changed.