The document discusses understanding claims in arguments. It defines a claim as a statement for or against the status quo that is the focus of an argument. There are three types of claims: claims of fact, value, and policy. The document explains how to explain a claim simply, identifies the three parts of an argument, and discusses the roles and responsibilities of each side in an argument. It notes the importance of understanding claims to stay focused on the argument and not be taken advantage of by others reversing burdens of proof.