Classification The author takes a broad category and divides it into subcategories. Divides a topic into parts based on shared characteristics. Analysis of where events, ideas, or facts fit in with other events, ideas, and facts . Classification Transition Words: type, group, varieties, kinds, divisions, classified as, comprises, is composed of, several varieties of, different stages of, different groups that, includes, one, first, second, another, finally, last, category, field, rank, group, various, elements, characteristics, some feature, types, parts