The comparative method consists of establishing parallels with other objects of study, as a whole or partially, analyzing similarities and differences.
To establish parallels with other objects of study to obtain and discover concrete data to better understand the object of study.
It also helps us understand the composition or behavior of objects and processes, and can help us understand the response to certain processes by similarity. "If this happens in this case, in this other case the same thing is likely to happen."
compare helps us to contextualize, to understand what the object contributes to the environment and to the group. Through the similarities and differences with others, we will understand where we place it.
For idea generation, comparison is very useful. The comparison helps us to know possible substitutes. For example, in gastronomic restoration, we can identify a new product that can replace another in an elaboration.