What symbols should be used for YES and NO when the user can't read?

1. What is the symbol for yes question?
2. Does dot mean yes?
3. How do you say no in symbols?

What is the symbol for yes question?

Check Mark (✔) A check mark, checkmark or tick (✓) is a mark 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 checkmark is one of the most common symbols used in forms.

Does dot mean yes?

You can also use a solid dot symbol for Yes (opposite of the Japanese meaning), and again the absence of the dot would imply No.

How do you say no in symbols?

The general prohibition sign, also known informally as the no symbol, 'do not' sign, circle-backslash symbol, nay, interdictory circle, prohibited symbol, don't do it symbol, or universal no, is a red circle with a 45-degree diagonal line inside the circle from upper-left to lower-right.