Publishing is the industry concerned with the production of literature or information - the activity of making information available for public view. Traditionally, the term refers to the distribution of printed works such as books and newspapers. With the advent of digital information systems and the Internet, the scope of publishing has expanded to include websites, blogs, and other forms of new media. As a business, publishing includes the development, marketing, production, and distribution of news and non-fiction magazines and books, literary works, musical works, software, other works dealing with information.

Publication is also important as a legal concept; (1) as the process of giving formal notice to the world of a significant intention, for example, to marry or enter bankruptcy, and; (2) as the essential precondition of being able to claim defamation; that is, the alleged libel must have been published.