Which term refers to comparing two concepts to highlight their differences?

The term that correctly refers to comparing two concepts to highlight their differences is "contrast." When you contrast two ideas, you analyze the distinct characteristics that set them apart from one another. This involves examining their differences, which helps in understanding each concept more clearly by establishing what makes them unique.

For example, if you were to contrast cats and dogs, you would discuss aspects such as their behavior, care requirements, and social interactions, emphasizing how they differ. This term is particularly valuable in writing and analysis, as it allows readers to gain a deeper insight into the subjects being discussed.

In contrast to this, similarity would focus on what the concepts have in common, while compare generally refers to looking at both similarities and differences. Definition pertains to the meaning of a word or concept, which does not involve the process of distinguishing differences between two ideas.