A style guie or style manual is a set of standards for design and writing of documents, either for general use or for a specific publication or organization. Style guides are prevalent for general and specialized use, for the general reading and writing audience, and for students and scholars of the various academic disciplines, medicine, journalism, the law, government, business, and industry. Some style guides focus on graphic design, covering such topics as typography and white space. Web site style guides focus on a publication's visual and technical aspects, prose style, best usage, grammar, punctuation, spelling, and fairness.