An editorial, or leading article (UK) or leader (UK), is an article written by the senior editorial people or publisher of a newspaper, magazine, or any other written document, often unsigned. Australian and major United States newspapers, such as The New York Times and The Boston Globe, often classify editorials under the heading "opinion".

An article or piece is a written work published in a print or electronic medium, for the propagation of news, research results, academic analysis or debate.