Which of the following is the best description of the difference between the theme and central idea of a story?

Responses

The theme and central idea are usually expressions of the same idea.
The theme and central idea are usually expressions of the same idea. - no response given

The central idea of a story is derived from details of the story's theme.
The central idea of a story is derived from details of the story's theme. - no response given

The theme is universal, while the central idea is specific to the story.
The theme is universal, while the central idea is specific to the story. - no response given

The theme refers to story elements, while the central idea refers to a message.

The theme refers to story elements, while the central idea refers to a message. - This is the best description of the difference between the theme and central idea of a story.