A chain-link fence is a type of fencing made from interwoven steel wires that create a diamond pattern. It is commonly used for security and boundary purposes in residential, commercial, and industrial settings. The fence is typically supported by metal posts and can be coated with vinyl or galvanized to prevent rusting. These fences are popular due to their durability, low maintenance, and visibility, allowing light and air to pass through. They can be found around parks, schools, and sports fields, providing a clear boundary while still allowing people to see through them.