Copy editing is the process of reviewing and correcting written material to improve accuracy, readability, and fitness for its purpose.copy editing skills involve a keen eye for detail and a mastery of the conventions of grammar, style, and punctuation. A good grasp of English usage is essential, as is an understanding of the way in which different types of media use language.
In addition to proofreading for errors, copy editors suggest changes to improve the clarity and flow of the writing and may rearrange sentences or paragraphs to achieve this goal. Copy editors also check for compliance with the publication's style guide and may query authors about inconsistencies or unclear passages.