What does "final act" mean?

The last part of a play, film, or narrative in which the strands of the plot are drawn together and matters are explained.

Final act

Common synonyms include: closing, closing act, closing action, completed action, concluding, concluding act.

noun

noun ·Rare ·Advanced level

Noun

1
The last part of a play, film, or narrative in which the strands of the plot are drawn together and matters are explained.
2
A final performance or accomplishment, before one's retirement or ultimate demise.