A main subject is the primary topic or theme that is the focus of a discussion, lecture, lesson, or piece of writing. It is typically the central idea around which other related topics or points revolve.
the main idea or main thought about which the work is written
The Topic is the subject the author is talking about and the Main Idea is what the author wants to say about the subject.
The simple subject (the main thing/things doing the verb) must be in the sentence along with the verb.
subject is the main thing predicate is what discribes the subject
The meaning of theme in a story is a main idea that is consistent throughout the story.
the main topic about which the work is written
because that is the main subject you have to do in order to get the job type you want.
Medium
Medium
The main subjects were English (reading) and maths (arithmetic).
The main contribution is the development of new theorem in the subject area
to protect your head from cars