This document discusses key performance indicators (KPIs) including types of KPIs, how to create KPIs, common mistakes in creating KPIs, and how to design effective KPIs. It provides information on KPIs for performance appraisal and lists resources for free materials on KPIs including lists of KPIs, performance appraisal forms, and methods. The document recommends defining objectives and key result areas when building a KPI system and noting that KPIs should be linked to strategy and provide answers to important questions.