2.1 Headings

The title of this chapter, "Typography", is the first heading level. This section, "Headings", is the second level.

2.1.1 Third-level

The third level heading. You probably shouldn't go beyond this because it just looks ridiculous, but you can anyway.

2.1.1.1 Fourth-level

The fourth level heading.

2.1.1.1.1 Fifth-level

The fifth level heading.

Rubric Heading

A rubric heading is just a paragraph heading without document structure.