The word that means "a broad idea in a text" is concept.
The word that means "a broad idea in a text" is concept. A concept is an abstract or general notion that is derived from specific instances or examples in a text. To find the answer to this question, you could start by understanding the definitions of each of the given words. Then, you can analyze their meanings and determine which one aligns with the given description. In this case, the word "concept" fits the description best.