Black square button emoji meaning

The black square button emoji is displayed as a plain black square with a white outline around it. It is commonly used for creative and stylistic purposes in digital conversations or designs. People often use it to represent a button or checkbox, which can symbolize actions like turning something on or off in a digital setting. Additionally, this emoji might be used to highlight focus, mark importance, or draw attention to a specific detail in discussions or design layouts. It offers a simple and versatile way to communicate ideas visually.

The black square button emoji was approved in Unicode 6.0 and added in Emoji 1.0, see related proposal L2/09026