What is the difference between a basic practice, best practice, and best fit?

• What is the difference between a basic practice, best practice, and best fit?
• What is the role of “fit” in the case study, and how does it compare to how “fit” is achieved at your organization?
• Would the approach used in the case study apply to your organization? Why or why not?
• What would you recommend as a best fit solution for your organization?