The ❎ cross mark button emoji is a visual representation of a red cross or "X" button, often used to indicate the cancellation or negation of something. It is often used in text messages, social media posts, or emails to indicate that something is not possible or not allowed.
In addition to being used to indicate the cancellation or negation of something, the ❎ cross mark button emoji can also be used to show disapproval or to convey that something is not allowed. It is a useful tool for expressing negative thoughts or feelings in a quick and visual way. Overall, the ❎ cross mark button emoji is a versatile tool for expressing the idea of negation or cancellation.