Open up the control center and navigate to Keyboard and Language and check out the shortcut menu.
Deepin comes with its own keyboard shortcuts you need to learn them and try them out.
But ArcoLinux added its own keyboard shortcuts as well to the deepin.
We believe this finger memory for you standard application is super important for an efficient workflow.
We will use the same keyboard shortcuts (wherever possible) as on Xfce, Openbox, i3, Bspwm, Awesome, …