…refers to a manner of responding to challenges that require one to have the ability to:
THINK FAST, ADAPT & IMPROVISE.
Get the job done with whatever resources are available and a great deal of personal innovation!
The D in System D refers to the French word débrouillard, one who is skilled or resourceful at handling any difficulty.
One who uses System D can be likened to that of a modern-day MacGyver.