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)  

Kate (2024) - Previous Item  

Scrivener 1.9.9 - Enclosing group  

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

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

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

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

Ace Editor - Select to line start  

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  

Node Wrangler 3.36 - Reduce mix factor by 0.01  

Nuke - Previous Tag  

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  

Sublime Text 4 - Move  

Visual Studio Code (Windows) - Shrink selection  

Delphi - Selects the column to the left of the cursor  

Visual Studio Code (Linux) - Shrink selection  

Ghidra 10.2.3 - Previous history function  

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

AWS Cloud9 IDE (Windows) - Select To Line Start  

Atom (Windows) - native!  

Atom (Windows) - editor:move-selection-left  

Atom (Windows) - editor:select-to-previous-subword-boundary  

Adobe InDesign 2020 (Windows) - Nudge left x10 duplicate  

Nuendo 10 - End left  

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

Avid Pro Tools 2021.6 - Trim note end to the left by the next value  

Excel for the web - Ungroup data  

Bitwig Studio 4.2 - Nudge Events One Bar Backward  

Bitwig Studio 4.2 - Nudge Events One Step Backward  

Bitwig Studio 4.2 - Extend Selection Range to Previous Item  

Bitwig Studio 4.2 - Move cursor and extend selection word left  

Serato DJ - Eject Virtual Deck  

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

Archicad 24 - Nudge Left (Larger)