In comprehension, the main idea refers to the central or most important concept or message conveyed in a text. It acts as a summary or key point around which the rest of the information revolves. The main idea helps readers understand the primary focus of the text and its underlying meaning. When identifying the main idea, it’s essential to consider the supporting details and evidence provided within the text. By analyzing these elements, readers can grasp the core essence of the passage or article they are reading.