What is Alt + ↑  Shift + Ctrl + ← keyboard shortcut for?

Linux Mint - Move the window to a workspace to the left  

GNOME - Move window one workspace to the left  

Camtasia - Select previous clip  

Ace Editor - Remove current occurrence from multi-selection and move to previous  

Adobe Premiere Pro (Windows) - Slip Clip Selection Left Five Frames  

Adobe Premiere Pro (Windows) - Decrease Text Size by Five Points  

Adobe After Effects 2021 - Go to previous In point or Out point  

Adobe Lightroom Classic - Copy After settings to Before  

Node Wrangler 3.36 - Set mix factor to 0.0  

WezTerm - AdjustPaneSize={"Left", 1}  

JAWS - First Cell in Row  

Spyder 4.1.5 - Last edit location  

Microsoft Visual Studio 2017 (All shortcuts) - Arrow Edit.WordPreviousExtendColumn  

SQL Server Management Studio (SSMS) - Move the cursor to the left one word, extending the selection  

Delphi - Selects the column to the left of the cursor  

AWS Cloud9 IDE (Windows) - Select Next Before  

Ace Editor 1.35.2 (Windows) - Remove current occurrence from multi-selection and move to previous  

ReSharper 2021.3 (Visual Studio scheme) - Move code left  

Kali Linux - Move window one workspace to the left  

Edius Pro 9 - Move Focus to Left  

Adobe InDesign 2020 (Windows) - Nudge left 1/10 duplicate  

Altium Designer - Extend a column selection by one word to the left of the current cursor position