Final answer:
Depression can be analyzed using model, contrary, related, borderline, and invented cases to explore its different facets.
Step-by-step explanation:
Depression is a complex concept that can be analyzed using different cases to gain a deeper understanding. One approach is to create a model case, which represents the typical characteristics and manifestations of depression. A contrary case would be a situation where the expected symptoms and outcomes of depression are not present.
A related case would explore the connections between depression and other mental health conditions or factors. A borderline case would examine instances where the definition of depression is ambiguous or falls between two categories. Finally, an invented case would involve creating a hypothetical scenario that illustrates the concept of depression in a unique context.