What is Ctrl + ↑  Shift + 0 - 9 keyboard shortcut for?

Popular programs using this shortcut

What this shortcut does in different programs?

1. Kitty 0.25.0 (Linux) - Focus specific window  
2. CintaNotes 3.13 - Add or remove section #1..#10 to/from selection.  
3. LDView - To recall it, use the hot key you've previously set while viewing a model.  
4. Beyond Compare 5 - Toggle bookmark 0-9  

All programs

All programs using this shortcut, by category.

Note: This page includes variations for Ctrl + Shift + numrow09
Shift + Ctrl + numrow09
Ctrl + Shift + numrow09. Restrict to only Ctrl + Shift + numrow09.