Related to Signature Scene, a Signature Line is a quote of dialogue that everyone remembers from a work of fiction, and has become synonymous with it. When the general public thinks of the work, this is the one quote that immediately springs to mind, and may be the only reason to remember the work at all. There are many reasons that the line may stand out. It may be... A Signature Line is a line of dialogue that actually appears in the work. If the line is never actually spoken in the work, it's an example of Beam Me Up, Scotty. Examples of Signature Line include: