A major share-trading mistake, sometimes worth of $millions, is commonly called a '(What?) Error'?
Typographical error Typographical error A typographical error (often shortened to typo), also called misprint, is a mistake made in the typing process (such as a spelling mistake) of printed material. Historically, this referred to mistakes in manual type-setting (typography). The term includes errors due to mechanical failure or slips of the hand or finger, but excludes errors of ignorance, such as spelling errors, or the flip-flopping of words such as "than" and "then". Before the arrival of printing, the "copyist's mistake" or "scribal error" was the equivalent for manuscripts. Most typos involve simple duplication, omission, transposition, or substitution of a small number
A picture is worth a thousand words "bǎi wén bù rú yī jiàn") is sometimes introduced as an equivalent, as Watts's "One showing is worth a hundred sayings". This was published as early as 1966 discussing persuasion and selling in a book on engineering design. In March 1911, in the Syracuse Advertising Men's Club, Arthur Brisbane wrote: "Use a picture. It's worth a thousand words." Despite this modern origin of the popular phrase, the sentiment has been expressed by earlier writers. For example, the Russian writer Ivan Turgenev wrote (in "Fathers and Sons" in 1861), "The drawing shows me at one glance what might be spread over