The document discusses several patterns of written text including cause and effect, classification, comparison and contrast, definition, description, narration, and persuasion. It provides examples and explanations of each pattern. Cause and effect examines why something happens and its consequences. Classification groups items into categories. Comparison notes similarities, while contrast identifies differences. Definition explains the meaning and nature of something. Description uses vivid details. Narration tells a story. Persuasion aims to influence through reason, emotion, or credibility.