Hotkeys are a combination of keystrokes used to quickly perform a particular action.
CaterQuotes has a list of hotkeys for you to use which are hidden by default. To view the hotkeys:
Inside a project, go to the details panel on the right. Click on the "Edit" button at the top.
A list will appear. Tick the box next to hotkeys and move it up or down the list with the up and down buttons.
The hotkeys will then be visible inside the details panel.