Every grid cell in reading order (index 0 → cols*rows-1).
Color-bar bands, top → bottom: the exact band color + its usage count (band height is a function of the count). For the raster color-bar check (§6.3).
Color-bar band letters, top → bottom, lowercase (the rendered glyphs).
Pixel geometry of every highlightable feature (for the comparison walk's focus rings) — see LayoutGeometry.
True for a >512-bit input (text channel is head + fingerprint-middle + tail).
The grid background color (
#rrggbb, an entviz palette color, never black).