the.com/synchronization
The art of making separate things agree on what time it is.
means Coordinating multiple processes, devices, or events so they happen together or stay perfectly aligned.
from From Greek synchronos, syn (together) plus chronos (time) — literally same-timed; the verb arrived in the 1800s alongside coordinated clocks and railways.
Railway rootsStandard time zones exist because trains needed synced clocks.
Firefly factSome fireflies flash in unison without a conductor.
Audio perilLip-sync errors above 45 milliseconds become visibly wrong.