# Use semantic elements for regions and content ✎

**Source**: https://accessibility.huit.harvard.edu/content/use-semantic-elements-regions-and-content
**Parent**: https://accessibility.huit.harvard.edu/technique-heading-structure

[### ✎ Technique: The main landmark](https://accessibility.huit.harvard.edu/technique-main-landmark)

Page

Landmarks help assistive-technology users navigate to and between areas of a page, and they improve the efficiency of in-page navigation.

The **main** landmark defines the unique content of the page.