What is Control + ⌥ Opt + E keyboard shortcut for?

Popular programs using this shortcut

What this shortcut does in different programs?

1. Final Cut Pro X - Apply Effects subroles to the selected clip’s components  
2. Magnet (window manager) - Left two thirds  
3. Looker 6.8 (Mac) - Explore from here  
4. RectangleApp (2023) - First two third  
5. Google Looker (macOS, 2023) - Explore from here  

All programs

All programs using this shortcut, by category.

Note: This page includes variations for Control + Option + E
Option + Control + E
Control + Option + E. Restrict to only Control + Option + E.