Adding A Tab
To add a tab to a news item, click on the Add New button
Enter the tab title.
Then click on edit.
You can then add content and format the text. (See The Editor page for more details on formatting).
When you are happy with the content click Save.
You can add more tabs by clicking the Add New Button. You can add as many tabs as you like as long as they don't exceed the width of the site.
If you want to change the order of the tabs click on the blue arrows and hold and drag to required position.