The sidebar with the main navigation of the app shows links to the start page, your notes, the search and more.
The first link in the sidebar is always the start page. The start page is the first page that is shown when you open the app. See Start page for more information.
You can add additional links to the sidebar. See Additional Links for more information.
If you add a note to your Bookmarks, a new section Bookmarks will automatically appear in the sidebar, showing all your bookmarks.
You can configure how your notes are shown in the sidebar. See Notes for more information.
When you start using tags, the sidebar will render all of your tags. For each tag there is a separate page that lists all notes with the given tag.