This document provides information about comparison, contrast, and compare and contrast structures in writing. It defines comparison as examining similarities and differences between two or more items. Contrast is defined as showing how things differ, such as opposite qualities. The document gives examples of comparison and contrast in sentences. It also discusses using qualifying expressions like "much more" to indicate varying degrees of similarity or difference. Finally, it defines compare and contrast essays as academic writing that looks at how multiple subjects are similar or different according to selected criteria.