Classification of data depends on what kind of data you are looking out for, so that you can analyze your past data accordingly and make your strategies more effective, competitive, minimize risk and decision making can be simpler.
In terms of examples you can ask question to yourself while analyzing such as:-
What is likely to happen to our sales if the current trends continue?
What will happen next if our customers continue to purchase as they have in the past?
Just start thinking and also research more about data analytics.
