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.
A small toggle in the Status Bar allows you to switch between three "Layers": Drafting, Refining, and Finalizing. Microsoft Word 2019 VL 16.29.1
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. This layer highlights "weak" areas