Define a "run" in the context of simulation testing.

In the context of simulation testing, a "run" refers specifically to a single iteration of a simulation that is executed using a defined set of parameters. This means that during a run, the simulation model is executed once, following the rules and conditions set for that iteration. The results produced from this run can provide insights into how the system behaves under those specified conditions.

This concept is crucial for understanding how simulations are built and analyzed. Multiple runs are typically performed to gather a range of data that can be statistically analyzed to understand variance and ensure that the model performs accurately across different scenarios. By conducting various runs with different parameter sets or random seeds, one can validate the reliability and robustness of the simulation outcomes.

In contrast, the other options describe different aspects of the simulation process. A complete analysis of all outputs pertains to the collective evaluation of results from multiple runs, while the entire duration refers to the overall timeline or period during which the simulation is active. A summary report encapsulates findings but does not specifically define the process of executing a single iteration. Therefore, the correct identification of a "run" as a single iteration under specific parameters is critical for understanding the structure and analysis of simulations.