Purpose: To arrange things into categories.
Introduction: First, we need to give the topic and explain what our main categories will be or why we are classifying.
Body: Explain each category and give examples of things that fit into each category.
Conclusion: Summarizes and offers a final thought related to the reasons for the classification.
Language: Signposting to make the organization of the categories very clear.
Other considerations: It is a good idea to classify according to one clear principle. We should also have a similar number of examples for each category. Sometimes we leave the most important category to the end.