Prohibition Sign - Universal Symbol for Forbidden Actions #3413551 (License: Personal Use)

The image shows a standard prohibition sign: a bold red circle with a thick black outline and a diagonal red slash from upper left to lower right, set against a white background. This iconic design follows ISO 7010 standards for safety signage and is instantly recognizable across cultures as a command to stop or refrain. Its high-contrast color scheme ensures visibility and immediate comprehension in public, industrial, or digital contexts.

This image is commonly used on websites, apps, signage, and instructional materials to denote banned actions (e.g., no smoking, no entry, no photography). It matches user intent when seeking clarity on restrictions, safety compliance, or visual communication of rules.