Question

What is a central idea?

a main topic
an area of concern
the most important idea
the supporting information

Answer 1

the most important idea

Answer 2

A central idea of a text is the most important idea.

Step-by-step explanation:

The central idea or main idea is the most important idea or central thought of a text that helps the reader understand what the text is about. This could refer to what the text is about in its entirety, or at least in various paragraphs or sections. Sometimes, the main idea is directly stated in the text, while some other times, it is implied.