This document provides guidance on how to write an effective essay. It outlines that an essay should have an introduction paragraph, 3 body paragraphs with opinions and examples, and a conclusion paragraph. It stresses the importance of considering the target reader, using appropriate language, register, and accuracy to avoid errors. The key writing skills emphasized are planning before writing, writing unified paragraphs around a central topic, and reviewing for proper structure, grammar, and coherent connections between ideas.