Which phrase describes one purpose of headings in an informative text?

1. To explain the main idea of a section
2. The show the relationship between the ideas presented
3. To make the text more interesting
4.to provide details that support the central idea

1. To explain the main idea of a section

The answer is 1. To explain the main idea of a section.

The phrase that describes one purpose of headings in an informative text is:

1. To explain the main idea of a section

To arrive at this answer, we need to understand the role and function of headings in informative texts. Headings are typically used to organize and structure the content of a text, making it easier for the reader to navigate and understand the information being presented. They serve as signposts, indicating the main theme or topic of each section or paragraph.

Option 1 best describes this purpose by stating that headings explain the main idea of a section. By using headings, authors can provide a clear and concise summary of the content that follows, allowing readers to quickly identify the main points and focus their attention on the specific information they are seeking.