Compare and contrast essay. To compare means to find the similarities between two subjects — in other words, how they are the same. To contrast means to identify the differences — how they are not the same. A compare and contrast essay includes both of these ideas to show a clear connection between two topics.”Venn Diagram “A useful tool for compare and contrast writing is the Venn diagram. It helps us organize our thoughts. The overlapping part shows similarities, while the separate parts show differences. This visual organizer helps us prepare a clear and well-structured essay.” Purpose “So, what is the purpose of a compare and contrast essay? It helps us show similarities and differences between two ideas, topics, or items. It also helps readers understand both subjects more clearly. Most importantly, it allows us to analyze and organize information in a logical and meaningful way.” A compare and contrast essay has a simple structure: 1. Introduction 2. Body Paragraphs 3. Conclusion