The document discusses the key characteristics and types of academic writing. Academic writing is a formal writing style that aims to inform, persuade, or analyze a topic for an academic audience. It uses standard English language, a formal tone, precise word choice, and third person perspective. The main types of academic writing are descriptive, analytical, persuasive, and critical. Descriptive writing provides facts while analytical writing also reorganizes information. Persuasive writing adds the writer's own viewpoint and critical writing considers multiple viewpoints. Academic writing follows conventions like citing sources and is based on evidence and a thesis to address a research problem through higher-order thinking.