The document discusses identifying the stated main idea and supporting details in a paragraph. It defines the stated main idea sentence as the one sentence in a paragraph that tells the author's most important point about the topic. The main idea answers the question "What is the author's one most important point about the topic?". Supporting details provide additional specific information like examples, explanations, descriptions, proof and statistics to help the reader understand the main idea. The document provides guidance on locating the stated main idea sentence and distinguishing it from supporting details.