Tabview is a great way to show some information in a small space. You can also use it for show some categories or featured articles.
You can use this code:
<tabview> PAGE1|TITLE1 PAGE2|TITLE2 PAGE3|TITLE3 </tabview>
Insert on the place of PAGE1, PAGE2 etc. the links to the pages you want to show, insert on the place of TITLE1, TITLE2 etc. the titles you want to show.
The tabview shows automatically all text and templates of the page(s) you added in the tab.
This is an example of the tabview on this wiki:
If you want to customize the tabview you can use the codes showed on this page: Tabview/Customize.