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a physical structure or obstacle that is used to block or restrict access to a certain area, preventing passage or providing security
What is a "barrier"?
A barrier is a structure or object that blocks or restricts movement, access, or passage. It is typically designed to keep people, animals, or objects from crossing a specific boundary. Barriers can include fences, walls, gates, and bollards, and they are commonly used for security or privacy. These barriers can be found in places like construction sites, roads, airports, or private properties. They are also used to prevent accidents, such as barriers along highways or in areas with dangerous conditions.
an obstacle that separates people or hinders any progress or communication
anything serving to maintain separation by obstructing vision or access
barrier
