| Generalizing hierarchy | ||
| Generalization Level | Label | Extended definition |
| 1st | Comprehension process | A method used by the human brain, consisting in exploring and re-exploring a concept until objective understanding of an object, event, process, or abstract concept has been reached. |
| 2nd | Method | Manner of saying, doing, following certain principles, according to a certain order, in order to reach a certain goal. |
| 3rd | Methodology | Science whose object is the study of the methods of the various sciences. |
| 4th | Theory of knowledge | 1) Science whose object is to evaluate the methods used in the various sciences in their relations to philosophy. 2) Science whose object is to define a universal method for understanding reality in its widest sense. |