themes/minimal-theme/layouts/partials/head.html
themes/minimal-theme/layouts/partials/editpage.html
Edit Page
themes/minimal-theme/layouts/partials/header.html
Home Page > About Links (BreadCrumb Navigation Example)
themes/minimal-theme/layouts/partials/navigation.html
(Complete Site Navigation Example) 		 
block main in themes/minimal-theme/layouts/_default/single.html

About Links

block main: content

Both of this variants work:

themes/minimal-theme/layouts/partials/footer.html
Posts
Subdir 1
Subdir2
(Lazy Blogger's Section Navigation Example)