A theory is a rational and contemplative kind of generalizing or abstract thinking or the outcomes of such thinking. On the basis of the context, the outcomes might involve generalized illustrations of how nature functions.
A theory can be a source of knowledge that may or may not is related to the specific explanatory models. To theorize is to create the body of knowledge.
Every nucleus has the same subjects in your body, they might have different jobs to do in the human body but they are allthe same DNA type because oh the blood strans.