
Bring down the curtain on something
Figurative Usage
Often used metaphorically to indicate the end of a process or activity.

He decided to bring down the curtain on his days as an amateur athlete.
Finality
It conveys a sense of final closure, with no continuation expected.

They plan to bring down the curtain on the project after the presentation.
Not Always Literal
It doesn't necessarily involve a physical curtain or ending an entertainment event.

With the merger, they will bring down the curtain on the old company name.
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