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Tag

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In computing, a tag is a label or keyword used to categorize or identify a piece of data, information, or content. It can also refer to a markup element in a document, such as in HTML, which provides instructions to the computer on how to display or format the content. Additionally, a tag can be a unique identifier, like a serial number sticker on a computer, used for tracking and management.

Types of tags

Markup tags: These are codes embedded in a document, often enclosed in angle brackets, that define the structure or format of the content.

Metadata tags: These are used to provide information about a file or piece of data.

Categorization tags: These are keywords or labels that organize content for users and search functions.

Identifier tags: A physical or digital label with a unique code assigned to an individual device for tracking and management.

Programming tags: In some programming languages, a tag is an argument that determines how other arguments are passed to a subroutine.