Headings are used to highlight titles in sections of content for your site. In the drop down from the tool bar above the page or post that is being edited, you'll see options for Paragraph (which is default, Heading 1, Heading 2, Heading 3, Heading 4, Heading 5, and Heading...
Tag: Unordered Lists
This is an sample tag description, which can be used to boost SEO rankings. Make sure you enabled this from the Edit Post Tags screen in your dashboard.