Here you can see how content are presented only in main content area. Sometimes, you will need a lot of space to present content and that how it will looks like.
Lorem ipsum dolor sit amet, consectetur adipiscing elit. Fusce suscipit dui eu augue faucibus non interdum odio elementum. Praesent faucibus lorem sed massa condimentum in semper lacus aliquet. Aliquam viverra erat a libero accumsan a egestas lorem hendrerit. Donec id elit dolor. Phasellus est ligula, hendrerit id vehicula sit amet, placerat ut diam. Sed eu fringilla lectus. Aliquam augue lorem, suscipit eu consequat vel, viverra id diam. Praesent lectus elit, interdum a imperdiet vitae, cursus at velit.
This is also 3 columns layout with content presented at center, but the right side column was designed to present content of secondary importance comparing to those in left side column. On side columns you can present modules with equal importance. The width of side columns can be adjusted conveniently via template parameters.