Shout the rule. Keep it readable.
One bold oval and one fat glyph stay legible from across the table.
Primary signal
One bold oval and one fat glyph stay legible from across the table.
A diagonal gesture gives every transition a direction you can feel.
Layered cards turn a simple action into a compact, unmistakable cue.
Red, yellow, green, and blue do the talking; black makes them land.