What is no symbol?

The "no symbol" is a commonly recognized graphic symbol that is used to indicate that something is not allowed or prohibited. It consists of a red circle with a diagonal line running through it, typically overlaid on top of a black or white background. The no symbol is used in a variety of contexts, such as road signs, warning labels, and on products to indicate that they should not be used in certain ways.

The no symbol is also known as the prohibition sign or "not allowed" symbol. It is widely used around the world and is easily understood by people of different cultures and languages. The symbol's simple design and universal meaning make it an effective way to communicate rules and restrictions.