"O" Shaped Circle, Correct, Ferrule
This is an icon, which is usually depicted as a red hollow circle. In Japan, red hollow circles are often used to indicate right and choice. Therefore, the emoji can be used not only to refer specifically to the red hollow circle, but also to express correct or wrong meanings.
Different platforms depict different emoticons. In terms of color, the circles displayed on each platform are all red, but the depth is different, some are deep pink, some are orange red, and some are bright red. In terms of shape, different platforms adopt different line thicknesses. For example, the circle depicted by emojidex and Facebook platform appears thicker; The circle depicted by LG platform has thin lines. In addition, Microsoft and OpenMoji platforms draw a black edge around the circle.
