This activates a "Digital Lightbox." It strips away the UI and presents the document exactly as it will look printed or exported, while automatically surfacing a checklist of "Broken Links," "Inconsistent Fonts," and "Missing Alt-Text" for images. Why it fits v16.29.1
Word automatically hides all formatting tools, comments, and page breaks. It replaces the white page with a distraction-free, infinite-scroll canvas and enables a "Typewriter Sound" haptic feedback for every keystroke. Microsoft Word 2019 VL 16.29.1
One interesting feature to add to —specifically for the macOS environment it runs on—would be "Contextual Focus Layers." Feature: Contextual Focus Layers This activates a "Digital Lightbox