The term that is another name for a central idea is "main idea."
The term "main idea" is another name for a central idea. To determine the main idea of a passage or text, you should identify the most important point or message that the author is trying to convey. This can usually be found in the introductory or concluding paragraphs, or in recurring themes throughout the text. Look for key words or phrases that summarize the overall concept of the passage. Once you have identified the main idea, you can better understand the purpose and focus of the text.
