What is it

A header is layout pattern that helps the user identify the site.

When to use it

Use a header at the top of every page. The 'front page' of a site may have a different header than the rest of the pages.

How to use it

Place the header at the top of the page after the skip to main content link. You will likely want to replace core header should be replaced with your own site's header. To do this, remove the

core: true 
and create your own pattern in the location you wish it in your design system.