Which of the following best describes process optimization?

Process optimization refers to the practice of improving a system to achieve the best possible performance while minimizing waste. This encompasses various strategies to enhance efficiency, reduce costs, and increase output without compromising quality. By focusing on maximizing resource use and streamlining workflows, organizations can achieve higher productivity levels and improve overall effectiveness.

The other choices do not align with the principles of process optimization. For instance, eliminating feedback loops could detract from a system's ability to adjust and improve based on performance data, while increasing complexity typically leads to inefficiencies rather than optimization. Reducing system reliability runs counter to the goals of process optimization, which seeks to improve and stabilize system performance. Hence, the most accurate description of process optimization is enhancing performance while minimizing waste.