System D is a manner of responding to challenges that require one to have the ability to think quickly, to adapt, and to improvise when getting a job done.
The term gained wider popularity in the United States after appearing in the 2006 publication of Anthony Bourdain's The Nasty Bits.
[5] In Down and Out in Paris and London,[6] George Orwell described the term débrouillard as something the lowest-level kitchen workers, the plongeurs, wanted to be called, indicating that they were people who would get the job done, no matter what.
The formal economy consists of all economic activities that operate within the official legal framework and are regulated by the government.
Economists define self-sufficiency or self-reliance[11] as the state of not requiring any aid, support, interaction, or trade with the outside world.