When _config.yml contains home_pages tag like following:

home_pages:
  - about.md
  - getting_started.md
  - doc.html

The home layout shows these pages in the sidebar of the Home pane.

When listed pages contain an image tag in the Front Matter, the link shows the image as its background.

Exclusion between Embedded X pane

When Embedded X pane is enabled, home_pages tag is ignored.

Optional “home” Pane - Embedded X