Phase 2, Committing, is when the final decision to move forward with a continuous improvement oriented business management system is made.
Phase 3, Starting the Journey, is where the effort to build a better business management system really starts in earnest.
In Phase 4, Building the Foundation, the bedrock of your continuous improvement tools are laid.
In Phase 5, you press the accelerator, and add to all the foundation your built in Phase 4.