IDNStudy.com, kung saan ang iyong mga tanong ay natutugunan ng mga eksperto. Magtanong at makakuha ng detalyadong sagot mula sa aming komunidad ng mga eksperto.
In my understanding, the "they" in your question is referring to the main points or key ideas presented in a source material, such as a book, article, or lecture.
The main points or key ideas are the most essential and important information that the author or speaker wants to convey to the audience. They are usually the central themes, arguments, or conclusions that the entire source revolves around.