A closure is a data structure that holds an expression and an environment of variable bindings in which that expression is to be evaluated. The variables may be local or global. Closures are used to represent unevaluated expressions. Proper closure accounts for all the clues and mysteries, leaves no stray ends, makes themes clear, and gives readers a sense that order is again in sight. The ending of a lesson is critical. Because of its position at the end of a lesson, learning can be facilitated or hindered. "Closure" means different things to different people. For the purpose of this training resource, closure is defined as ending a lesson in a way that optimizes learning.
Closure is the false and futile wrap up after a quick drop and a sudden stop. It can't change the situation. For a few minutes, you get to say your piece and try to wrap up irrelevant and loose ends. For a while, it makes you feel better. But it's just more thing to mull over; It wasn't an apology; It wasn't reparation. It still leaves you frustrated. If it were possible to have a meaningful, mutually beneficial conversation, maybe you wouldn't be demanding closure in the first place.
What have I learned?

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