This document discusses key performance indicators (KPIs) for call centers. It provides information on developing KPIs, including defining objectives, identifying key result areas and tasks, and determining methods to measure results. The document discusses common types of KPIs such as process, input, output, leading, and lagging KPIs. It also discusses mistakes to avoid when developing KPIs, such as creating too many KPIs or not linking them to strategy. Overall, the document offers guidance on establishing an effective system for measuring employee and company performance using KPIs.