This document outlines 12 principles for agile software development organized into 4 categories: processes and tools, individuals and interactions, team vision and discipline, and contract negotiation and customer collaboration. The principles emphasize working software over comprehensive documentation, responding to change over following a plan, and validated learning and customer discovery over contract negotiation.

3. Processes and tools Individuals and interactions Team vision and discipline

4. Comprehensive documentation Working software Validated learning

5. Contract negotiation Customer collaboration Customer discovery

6. Following a plan Responding to change Initiating change