The look of your WordPress site, and a lot of how your readers can interact with it is controlled by the use of themes. A theme is basically a directory of files that control the design and presentation of your articles and the layout of your site.
A default WordPress installation comes with a few themes, which makes it ready to use right out of the box. Because of this, you can start adding content within minutes of having WordPress installed. Unfortunately, these themes are being used on tens of thousands of other peoples sites as well. Continue reading Customize Your WordPress Site on a budget with Themes