This document discusses using key performance indicators (KPIs) for tracking strategy and driver-based budgeting. It outlines best practices for KPI design and implementation, including ensuring KPIs are defined and agreed upon, using both leading and lagging indicators, addressing measurability creatively, and updating KPIs as needed. The document also discusses integrating KPIs with driver-based planning and forecasting by linking KPIs to strategic objectives and cascading drivers from strategy to operations.