Good vs. Evil.
Light vs. Dark.
Horizontal vs. Vertical.
How do you compare and contrast elements?
Principles with similar weight but opposite meanings are very interesting anomalies. The juxtaposition between the two components itself makes the two similar, yet they are so obviously different in meaning.
Is this how you analyze your competition in business? Do you forecast industries within your niche (vertical) or do you compare your operation to companies of similar cultures and age (horizontal)? In a way, all businesses are just as different as they are the same.
After all, aren't all businesses striving for the same goal of profitability?