Across the growth engine, B2B organizations rely on metrics to allow stakeholders to understand and optimize performance. Most organizations don’t suffer from a data shortage but instead have trouble narrowing vast options to a limited set of metrics suited to the specific decisions at hand. This report introduces the Forrester Metrics Spectrum, which provides a categorization system that helps stakeholders better comprehend the nature of metrics used throughout sales, marketing, and product performance reporting. Applying the Forrester Metrics Spectrum to metrics selection sharpens visibility and offers the clarity required to drive performance improvement.