Purpose As you read, try to figure out why the author wrote the material. In textbooks, the author's primary purpose or intent is to inform or present information. However, other materials may be written to entertain or persuade. If the author's intent is to persuade or convince you to accept a particular viewpoint or take a specific action like voting against an issue, then you will need to evaluate the reasoning and evidence presented. writer's purpose, or the purpose of a passage, is his or her intent in writing a A particular, article, essay or story. It is the real reason behind the words that he or she to convey to the reader. An author's purpose may be one of following