Figures: later, orienting projections and slices
Figures: frames proposal accepted
Figures: proposal for the glyph element onto Show frames (awaiting sign-off)
Figures: Locator, Setter, InputField(Variables), random draws; layers write their variables
Figures: Variables and StringTemplate; Selection -> _s; Normal, AbsoluteThickness, per-axis GridLines
Figures: Wolfram's vocabulary (Show, Labeled, ColorRules, BoundaryStyle, GridLines); ColorMixing, weights and selection as extensions
Figures: selection is a binding the author shows; gesture handling
Figures: layers in shared frames, queries, caption and legend as controls