<h2>Answer:</h2>
Sub heading - main heading analogy
<h2>Explanation:</h2>
An analogy shows the relationship between two things at some point of similarity. The given analogy can be referred to the sub-heading-main heading analogy. In the given example, cave is a smaller section of a cavern and a song is a smaller part of a tune. Therefore, one is the bigger part and the other is the smaller part.
all of these answers are correct
Develops the main idea of the essay
