Core meaning
Black is linked with a radical boundary, refusal to continue in the old way, and the wish to end what feels unacceptable.
When the color moves forward
The need for a sharp boundary or an ending became stronger.
When the color moves back
Extreme refusal moved back, leaving more room for nuance, negotiation, and an intermediate solution.
Resource of the color
The ability to stop a destructive process, remove what is unnecessary, and recognize where compromise no longer works.
Reflection question
Which boundary genuinely needs to be drawn, and can I draw it without destroying what still has value?