Introduction – Sets the stage for the narrative
Challenge – Identifies the key problem
Solution – Describes an overview of the product or service used
Benefit – Recaps the solution's advantages and why it was the right choice
Result – Explains the positive outcome arising from the solution and its benefits
Via Peg Corwin, Jim Lerman
Elements of a good case study Introduction, Challenge, Solution, Benefit, Result. See good examples like Linkedin Marketing Solutions on Hubspot.