What is the meaning of Unwind?

To separate (something that is wound up)

To disentangle

To relax; to chill out; to rest and become relieved of stress

To be or become unwound; to be capable of being unwound or untwisted.

To close out a position, especially a complicated position.

To undo something.

To analyse (a call stack) so as to generate a stack trace etc.

To unravel or explain.

Any mechanism or operation that unwinds something.

Source: wiktionary.org