👉 Mainlined is a term used in American English, which refers to an article or piece of writing that is written on a single line. It was first introduced by the writer William Shakespeare in his play "Othello." Mainlines are often used in literature and journalism to emphasize important points or to highlight the main themes of the text. In other words, "mainlined" means that the focus is on one element of a piece of writing, such as the opening line or the most significant part
