Lorem markdownum credas animos nec Phoeboque; de iuris creverat et finis ad remis. Mox hanc innixus actum dabitur Amorum; esse erat paventem. Cum sole deque manu memores neu aurea sit est, ira.
You can edit this by modifying the modules/sidebar/default.md page.
modules/sidebar/default.md
To reorder things in the sidebar you need to modify the partials/sidebar.html.twig template file.
partials/sidebar.html.twig
Dark Quark