used in many countries, including the English-speaking world, to indicate the concept "yes" (e.g. "yes; this has been verified", "yes; that is the correct answer", "yes; this has been completed", or "yes; this [item or option] applies").
The x mark is also sometimes used for this purpose (most notably on election ballot papers, e.g. in the United Kingdom), but otherwise usually indicates "no", incorrectness, or failure.
One of the earliest usages of a check mark as an indication of completion is on ancient Babylonian tablets "where small indentations were sometimes made with a stylus, usually placed at the left of a worker's name, presumably to indicate whether the listed ration has been issued.
The check mark is a predominant affirmative symbol of convenience in the English-speaking world because of its instant and simple composition.
In Finnish, ✓ stands for väärin, i.e., "wrong", due to its similarity to a slanted v.[citation needed] The opposite, "correct", is marked with