+A restricted area is a designated space where access is controlled or prohibited for specific reasons. These zones often protect sensitive assets or maintain [Security](/wiki/Security) and [Privacy](/wiki/Privacy). Entry typically requires authorization or special permission, marking a clear boundary for those outside.
+## See also
+- [Access Control](/wiki/Access_Control)
+- [No Entry](/wiki/No_Entry)
+- [Perimeter](/wiki/Perimeter)
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