What is the difference between saying se BON and se BYEN?

In Haitian Creole,  when someone says 'Bon', it may be about gratification, and Byen may be about comfort.  But they both may mean the same thing.

Se byen.
It's fine.
It is going well.
It's correct.
It's right.
It's pleasant
It's comfortable

Se bon (Li bon)
It's good.
It's tasty.
It's feels good.
It's sensuous and gratifying.
It's enough.
It's adequate.
It's well done.

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