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Namespace

Namespace is a context for identifiers, a logical grouping of names used in a program. Within the same context and same scope, an identifier must uniquely identify an entity.

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Namespace

In an operating system, a directory is a namespace. Each file or subdirectory within a directory has a unique name; the same name can be used multiple times across subdirectories.

In HTML, CSS, and XML-based languages, a namespace is the explicitly declared or implied dialect to which an element (or attribute) belongs.

Namespace

See also