Question

what is development in a text? the main point or message that the author wants to convey in a text. the way in which a central idea is expanded or explained throughout a text. the act of examining two or more central ideas to identify similarities and differences.

Explanation:

In writing, development refers to how a central idea is elaborated on in a text. It's not the main - point itself (which is the thesis or main message), and it's not comparing central ideas (which is comparison - contrast). It's about expanding or explaining a central idea throughout the text.

Answer:

The way in which a central idea is expanded or explained throughout a text.