This is a white round symbol called a white circle. Used as a color chart to refer to white or white objects. White symbolizes freshness, flawlessness, ice and snow, and simplicity. It is a contrasting color of black
⚫, and it also symbolizes death
💀 and ominous meaning in the East. Related emojis:
👻🦷👩🍳🐏🐮🥚🏐.