A "restricted area" is a designated space where access is limited to authorized individuals only. These areas are often marked with signs and barriers to prevent unauthorized entry. Common examples include military bases, research facilities, and certain sections of airports. The restrictions are in place to protect sensitive information, ensure safety, or maintain security. Access to restricted areas typically requires special permissions, such as identification badges or security clearances. Violating these restrictions can lead to legal consequences or safety risks. Organizations implement these measures to safeguard their operations and the people within the restricted area.