Definitionv1
Alert threshold: a predefined numerical boundary that
Alert threshold: a predefined numerical boundary that distinguishes normal operational performance from conditions requiring attention or investigation, established in advance of observing deviations.
Why This Is a Definition
This definition clearly establishes the term 'alert threshold' by naming it, identifying its genus (a boundary/boundary condition), and specifying its differentia (distinguishing normal from requiring attention). It's precise enough to distinguish from related concepts like 'signal' or 'noise' and uses language consistent with the curriculum's framing of thresholds as binary decision points for monitoring systems.