What is ⌘ Cmd + 6 keyboard shortcut for?

Ulysses (macOS) - Quick export  

Ulysses (iOS) - Quick export  

Bear (macOS) - Select Trash in the sidebar  

Typora 0.9.81 (macOS) - Heading 6  

Notability - Hand tool  

DaVinci Resolve 15 (Mac) - Effects  

Xcode - Breakpoint  

Adobe Premiere Pro (Mac) - Cut to Camera 6  

Corel Painter (Mac) - Clone source  

Final Cut Pro X - Make the Color Board active  

Adobe Photoshop (macOS) - (Filmstrip mode) Add red label  

Adobe Photoshop (macOS) - (Filmstrip mode) Add red label  

Adobe Illustrator (Mac) - Reselect  

Apple iMovie - Show transitions in the browser  

Substance Painter (Mac) - Select Clone tool (absolute source)  

WireShark 3.4.3 (macOS) - Mark the current conversation with its own color  

Sequel Pro 1.1.2 - Table Triggers  

Aqua Data Studio 23.2 (macOS) - Display: Comments  

Aqua Data Studio 23.2 (Emacs layout, macOS) - Display: Comments  

Adobe Bridge CC (Mac) - Select  

QLab 4 - Fade  

Total War: Attila (Mac) - Create unit group 6  

Microsoft Teams (macOS, desktop) - Open Files  

Davinci Resolve 17 (macOS) - Load Memory F  

Final Draft 11 (Mac) - Transition paragraph  

Rekordbox 6 (macOS) - Deck 2: 1/2 beat loop  

iPad Smart Keyboard - Faves  

Logic Pro 10.6 - (in Show Advanced Tools) open audio file editor  

Revizto (macOS) - View the selected object or the model part created by a section cut from the right  

Ableton Live 10 (Mac) - Sixteenth-Note Quantization  

Things (Mac) - Go to Logbook  

Things (iPad) - Go to Logbook  

Nuendo 10 (macOS) - Set marker 6  

FlowJo (macOS) - Create Keyword Value Series  

Vectorworks 2020 (macOS) - Zoom - Fit to objects