By analyzing the ____ a paragraph, you will see how the author develops and refines key concepts. A _____ is an important topic for the reader to understand. Some sentences may ____, or add information to concept. Others may ____ or clarify it.

By analyzing the structure of a paragraph, you will see how the author develops and refines key concepts. A paragraph is an important topic for the reader to understand. Some sentences may elaborate, or add information to the concept. Others may expound or clarify it.