Grouping of components should follow single principal in classification essay

As the term means, classification essay is all about organizing the categories of the essay components in a logical manner. Therefore, students should list the items, which need placement in various groups as per their differing characteristics. Thereafter, students should categorize these, with regard to a single attribute that applies to all of them. For example, students can group various systems according to their functions, while other group would comprise of different items, categorized as per their structure.