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A check mark, checkmark or tick is a mark (✓, ✔, ☑, √, etc.) used 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 to me"). The x mark is also sometimes used for this use (most notably on election ballot papers), but otherwise usually indicates "no", incorrectness, or failure.
As a verb, to check (off) or tick (off), means to add such a mark. Printed forms, printed documents, and computer software (see Checkbox), commonly include squares in which to place check marks.
The check mark is a predominant affirmative symbol of convenience in the English-speaking world because of its instant and facile composition. In other countries, however, the mark is more complicated.
It is common in Swedish schools for a ✓ to indicate that an answer is incorrect, while "R", from the Swedish rätt, i.e., "correct", is used to indicate that an answer is correct.
In Finnish, ✓ stands for väärin, i.e., "wrong", due to its similarity to a slanted v. The opposite, "right", is marked with , a slanted vertical line emphasized with two dots.
In Japan, the O mark is used instead of the check mark.
The "Symbol, Other" category of Unicode provides various check marks:
- U+237B ⍻ not check mark
- U+2610 ☐ ballot box
- U+2611 ☑ ballot box with check
- U+2705 ✅ white heavy check mark
- U+2713 ✓ check mark
- U+2714 ✔ heavy check mark
|Wikimedia Commons has media related to Check marks.|
- Checkmark at Fileformat.info