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A namespace is a group of related elements that each have a unique name or identifier. There are several different types of namespaces, and each one has a specific syntax used to define the corresponding elements. Each element within a namespace has a local name that serves as a unique identifier.
Namespaces are used in many areas of computing, such as domain names, file paths, and XML documents. Below are examples of these different applications.
The above examples are just a few types of namespaces used in computing. They are also used to define network devices and other types of computer hardware. Additionally, computer programmers often used namespaces to group related variables within the source code of a program. While there are many different types of namespaces, they all serve the same purpose — to contain a logical grouping of related elements.