Debates take a position and then use facts as supporting evidence. Think of textual evidence as the driving force behind debates. Textual evidence uses information from an originating source or other texts to support an argument. So, let’s start here: what is textual evidence? What is Textual Evidence? We’ll explain textual evidence and the best way to analyze it. That evidence can come in a number of different forms. Textual evidence comes into play when an author presents a position or thesis and uses evidence to support the claims. Welcome to this video about textual evidence! Textual evidence deals with facts in writing and the strategies used to figure out whether or not the information is factual.