The document discusses the different reasons why authors write texts. It states that authors may write to entertain, persuade, or inform. It provides examples of text types for each purpose - stories, poems, and plays to entertain; advertisements and speeches to persuade; and essays, instructions, and reference texts to inform. The document concludes by noting it is important to understand an author's purpose when reading and provides questions to help identify if a text aims to entertain, persuade, or inform.