Definition of «to close the loop»

The phrase "to close the loop" means to complete a cycle or finish a process, often by providing feedback or fulfilling a missing part.

Work also continues to improve the software in closed loop systems to make it as accurate as possible in blood sugar management. (sciencedaily.com)
She's closed the loop on the vampire narrative, all by herself. (film.avclub.com)
To keep the car in closed loop, you're going to max out at around 75 % throttle. (mechanics.stackexchange.com)
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