No Entry Symbol - Universal Prohibition Sign Meaning and Usage #190791 (License: Personal Use)

This image displays the internationally recognized prohibition symbol: a bold red circle with a diagonal red slash crossing through a white horizontal bar. The design follows ISO 3864 standards for safety signage, ensuring high visibility and immediate comprehension. It is commonly used to denote restricted zones, banned activities, or hazardous conditions in public, industrial, and digital interfaces.

This symbol appears on traffic signs, workplace safety posters, digital UIs (e.g., disabled buttons), and regulatory notices. It matches user intent for understanding restrictions, compliance requirements, or hazard awareness.