This layer highlights "weak" areas. It uses a heat-map to show where you’ve overused certain words or where sentence length is consistently too long, helping you visually identify "clunky" paragraphs without reading every word.

Since this version is part of the 2019 suite, it sits right at the transition point where Word began moving from a static editor to a more intelligent assistant. This feature would leverage the existing "Focus" capabilities while providing the "Intelligence" users usually have to buy third-party plugins for.

A small toggle in the Status Bar allows you to switch between three "Layers": Drafting, Refining, and Finalizing.

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

This feature would go beyond the standard "Focus Mode" by using macOS's system-level metadata to adapt the UI based on your current task.