Prohibition Symbol - Universal No Entry Sign #3223437 (License: Personal Use)

The image displays a standard prohibition symbol: a bright red circle with a diagonal slash from upper left to lower right, set against a black background. This design follows ISO 3864-1 standards for safety signage and is widely used to denote actions that are forbidden or unsafe. Its high-contrast color scheme ensures immediate visual recognition and compliance.

Commonly used on road signs, product labels, workplace safety posters, and digital UIs to indicate restrictions (e.g., no smoking, no entry, no photography). Matches user intent for understanding prohibitions, compliance guidance, or designing warning systems.