1.1. Estimates, Targets, and Commitments1.2. Relationship Between Estimates and Plans1.3. Communicating about Estimates, Targets, and Commitments1.4. Estimates as Probability Statements1.5. Common Definitions of a “Good” Estimate1.6. Estimates and Project Control1.7. Estimation’s Real Purpose1.8. A Working Definition of a “Good Estimate”Additional Resources