To back up with details

Proof that something is true

A book, article, person, or other resource used for information

When a source is believable, reliable, and trustworthy

What an author wishes to accomplish in communicating with the audience (e.g., to entertain, persuade, inform)

To show that something is true

Important and related to topic

To make a reference which documents the source of a quote, fact, or idea

To look at carefully, paying attention to detail

To convince others to see things your way

To give a detailed account with reasons or causes - to tell how

To understand the meaning of something

To restate in other words; to retell