Processes, threads, green threads, protothreads, fibers, coroutines: what's the difference?

https://stackoverflow.com/questions/3324643/processes-threads-green-threads-protothreads-fibers-coroutines-whats-the

Processes, threads, green threads, protothreads, fibers, coroutines: what’s the difference?

I’m reading up on concurrency. I’ve got a bit over my head with terms that have confusingly similar definitions. Namely: Processes Threads “Green threads” Protothreads Fibers Coroutines “Gorouti…

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