The given Porter's five forces example is about the supply-side industry economies of scale, differentiation degree, technical obstacles, profit potentiality, laws, and policies. They help to facilitate integration and improve the potentiality of the industry.
Another crucial aspect of this example is that it also shows how people doing the Porter Five Forces analysis can draw a visual image. A marketing presentation will lose its validation with it. EdrawMax ensures that a person's task becomes effortless with their template.