The four statements that describe an action plan are:
1. **An action plan explains how a decision will be implemented for groups or specific individuals.**
2. **An action plan is a statement of how to implement a suggested change step by step.**
3. **An action plan contains a list of what resources will be necessary to achieve the goal.**
4. **Action plans can help make a large project manageable and trackable.**
These elements collectively outline the structure and purpose of an action plan in a project or decision-making context.