Files and folders

Folders, pages inside pages, drag to move. Links follow.

Machine Learning/
├── Machine Learning.md   ← the page
├── Regression.md         ← its child pages
└── Neural Networks.md

Child page: right-click → New subpage, /subpage, or drag one page onto another.
Move: drag onto a folder, or right-click → Move…. Links update after a preview.
Colour, Pin and sort (name, created, modified) are in the right-click menu and the Files toolbar.
Deleted pages go to Recently deleted. See Back up and move notes.