“…There is still disagreement among the various stakeholders in our community about terminology and definitions for fundamental concepts like harm, error, disclosure and resolution. 17 Similarly, in 2020, we called for better measurement approaches to adverse events, noting that "we will show progress in patient safety by tracking common, well-defined patient safety problems, not some general measure of all possible harms from medical care, the nature of which will inevitably change over time". 18 Yet we still see incoherence in, for example, the reporting standards and measurement systems used to detect paediatric adverse events.…”