+A bottleneck is a point of congestion in a [System](/wiki/system), where [Flow](/wiki/flow) is restricted. Like a narrow passage, it limits [Capacity](/wiki/capacity), causing a buildup that slows the entire process.
+## See also
+- [Constraint](/wiki/constraint)
+- [Optimization](/wiki/optimization)
+- [Throughput](/wiki/throughput)
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