The document discusses the three types of claims that can be made in written texts: claims of fact, claims of value, and claims of policy. A claim of fact asserts something that is empirically true. A claim of value expresses a judgment or opinion. A claim of policy argues that an action should be taken. The document provides examples of each type of claim and teaches how to identify the type of claim being made. It emphasizes that understanding different types of claims is important for critically reading texts.