A placeholder's a general term, sign or symbol, which's used in place of a specific unknown or irrelevant term or value. Placeholder may also refer to: In language: Placeholder name, words that can refer to objects or people, whose names are unknown or irrelevant Filler text, shares some characteristics of a real written text, but's random or otherwise generated Lorem ipsum, text used to demonstrate the font, typography or layout in a document In mathematics and computer science: Free var… (More on Placeholder)