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

Audacity - Pan left on focused track  

Lubuntu (Openbox) - Send to desktop to left  

Hacklily - Shrink Selection  

Microsoft Word 2019 - Promote a paragraph  

Microsoft OneNote - Decrease paragraph indent  

Microsoft OneNote - Move the current paragraph or several selected paragraphs left (decreasing the indent)  

Ace Editor - Select to line start  

Micro 2.0.13 (text editor) - Select word left (Mac)  

Micro 2.0.13 (text editor) - Select to start of text toggle  

Scrivener 1.9.9 - Enclosing group  

Adobe Acrobat 2017 (Windows and Unix) - (Windows only) Search previous document (with Search results displaying multiple files)  

OneNote for the web - Decrease indent  

Kate (2024) - Previous Item  

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

Adobe Premiere Pro (Windows) - Decrease Kerning by Five Units  

Adobe Premiere Pro (Windows) - Trim Backward by Large Trim Offset  

Nuke - Previous Tag  

Node Wrangler 3.36 - Reduce mix factor by 0.01  

DesignSpark Mechanical 5.0 - Nudge secondary (inactive) dimension Down by small amount  

JAWS - (when the JAWS Cursor is active) Mouse Left  

JAWS - (when the JAWS Cursor is active) Mouse Left  

Enlightenment Desktop E25 - Flip to the desktop on the left  

Visual Studio Code (Windows) - Shrink selection  

RStudio - Select to Line Start  

SQL Server Management Studio (SSMS) - Moves the cursor one character to the left and extends the column selection  

Delphi - Selects the column to the left of the cursor  

Ghidra 10.2.3 - Previous history function  

Visual Studio Code (Linux) - Shrink selection  

Sublime Text 4 - Move  

Lazarus IDE V3.6 - Column Select left  

CodeRush - Select CamelCase left  

Aqua Data Studio 23.2 (Windows, Linux, Java) - Format: Cell Size Narrower  

Adobe InDesign 2020 (Windows) - Nudge left x10 duplicate  

Steinberg Cubase 10.5 - End left  

Openbox - Open the desktop switching dialog, to go to the desktop to the left of the current one, and bring the active window with you  

Serato DJ - Eject Virtual Deck  

Excel for the web - Ungroup data  

Edius Pro 9 - Add Focus to Left  

Nuendo 10 - End left  

Microsoft PowerPoint 2019 (Slideshows) - Seek backward 0.25 seconds, then pause  

Todoist - (Windows 10 app) Decrease task indent (Only works inside projects)  

Google Docs (Chrome OS) - Rotate counterclockwise by 1°  

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

Archicad 24 - Nudge Left (Larger)