U.S. flag   An official website of the United States government
Dot gov

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Https

Secure .gov websites use HTTPS
A lock (Dot gov) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

A  |  B  |  C  |  D  |  E  |  F  |  G  |  H  |  I  |  J  |  K  |  L  |  M  |  N  |  O  |  P  |  Q  |  R  |  S  |  T  |  U  |  V  |  W  |  X  |  Y  |  Z

eXtensible Markup Language (XML)

Definition(s):

  A cross-platform, extensible, and text-based standard markup language for representing structured data. It provides a cross-platform, software- and hardware-independent tool for transmitting information.
Source(s):
NIST SP 800-95 under Extensible Markup Language (XML) from World Wide Web Consortium (W3C): Extensible Markup Language (XML)

  A specification for a generic syntax to mark data with simple, human-readable tags, enabling the definition, transmission, validation, and interpretation of data between applications and between organizations.
Source(s):
NIST SP 800-82 Rev. 2 under Extensible Markup Language (XML)

  a flexible text format designed to describe data for electronic publishing.
Source(s):
NISTIR 7250 under Extensible Markup Language
NISTIR 7387 under Extensible Markup Language

  Extensible Markup Language, abbreviated XML, describes a class of data objects called XML documents and partially describes the behavior of computer programs which process them.
Source(s):
NIST SP 800-63-2 [Superseded] under Extensible Mark-up Language (XML)