https://www.imore.com/ipad-keyboard-shortcuts-building-siri-shortcuts
DEVONtechnologies | How to Use Key Commands on the iPad
DEVONtechnologies develops DEVONthink, DEVONagent, and other Mac and iOS apps for document and information management and web research.
Keyboards - Inputs - Human Interface Guidelines - Design - Apple Developer
Use shortcuts on an Apple external keyboard with iPad
On an external keyboard with iPad, use the Shortcuts bar and keyboard shortcuts to quickly perform many common actions.