This document discusses comparison and contrast as a writing technique. It provides examples of comparing trivial topics like food choices as well as more complex comparisons of legal systems or sports. The document outlines two basic patterns for organizing a comparison/contrast paper: block pattern and alternating pattern. The block pattern discusses one subject at a time in separate sections while the alternating pattern discusses points about both subjects together. Key elements to compare like audience, purpose, and outcomes are given. Finally, common transition words for comparing and contrasting are listed.