Hot list is mostly for quick switch to priority folders. But the list may contain any other commands.
For executing switches and commands, for opening the list and adding to the list press Ctrl+D or buttons:
To quickly add to the hot list press Shift+Ctrl+D.
You can add sublists to the hot list, highlight specific items. That can be done in Settings Window, which can be open from the same list.
For quick selection use symbol "&". It underscribes the following character, which if pressed executes the item.