We call these metrics “Key Performance Indicators”, or KPI. KPI enable system designers to specify system requirements in a clear and concise manner, from the perspective of the application use case ...

For example, a connected car would mean that, as car companies move their sales online, they will need to embrace new digital KPIs like digital leads, or the conversion ratio of online inquiries ...

Key performance indicators (KPIs) serve an essential role as a key measure of how effectively a project has performed in relation to identified, required and agreed-upon strategic objectives.

Sometimes, a confusing KPI is caused by a different variable or lever being pulled. For example, a lower conversion rate could be okay if total impressions and sales are up—it isn’t always bad.