Question

which of the following best describes the purpose of a theme? to explain what the text is about to give supporting details to teach a universal truth or lesson to summarize the main events

Explanation:

In literature (a subfield of Arts), a theme is defined as the underlying message or universal truth/lesson a text conveys. "To explain what the text is about" refers to the main idea, "to give supporting details" is for evidence, and "to summarize main events" is a summary. The theme’s purpose is to teach a universal truth/lesson.

Answer:

To teach a universal truth or lesson