For those still struggling with the business model aspect…
The business model describes the overall schemata of your business. How it operates, the various entities that comprise of your business etc. Visualising the overall business model will allow you to determine which aspects of the business can benefit from design.
See this page from Wikipedia for a whole lot of different business models. WHich one applies to your project?
F I N A L E A R 
Hey Georgie!
Nobody in the history of our esteemed institution has taken so much effort to teach… what the **** were you doing when we were studying !! 😀
Ashwin Mohan