To develop a paragraph by the technique of classification, we put a host of ideas or items into a limited number of homogeneous classes. In such a paragraph, the topic sentence clearly and precisely breaks the subject or topic up into more than one part.
Consisting of the same or similar ideas or items. Then the developers describe or explain each of the parts separately and elaborately, and show how the parts relate to the subject and how they relate to each other.
This type of paragraph is developed on such topics as ‘Transports in Bangladesh’, ‘Literary Works’, ‘Films’, and the like. This strategy of developing paragraphs helps us discuss things classwise in detail in a systematic way.