Layer over
A node of the Style graph, in the Mix group.
Puts one input on top of another.
Takes: under (layer), over (layer) · Gives: layer
What it wires to
Its under input takes a layer, which these give: CRT, Output, Cleanup, Combine, Lines, Mesh edges, Shading, To palette, Choose by mask, Dither mix, Flatten, Hatch, and 17 more.
What it gives, a layer, goes into: CRT, Output, Cleanup, Combine, Lines, Mesh edges, Choose by mask, Colour edges, Dither mix, Flatten, Paint, Palette, and 9 more.
In the app, drag a wire from one of its dots: every dot the wire fits is ringed.
How it fits with the rest: the Style graph in the manual.