DTD meaning in Information Technology ?

Answer: What is Document Type Definition mean?

A document type definition (DTD) is a set of markup declarations that define a document type for an SGML-family markup language (GML, SGML, XML, HTML).

A DTD defines the valid building blocks of an XML document. It defines the document structure with a list of validated elements and attributes. A DTD can be declared inline inside an XML document, or as an external reference.

XML uses a subset of SGML DTD.

As of 2009, newer XML namespace-aware schema languages (such as W3C XML Schema and ISO RELAX NG) have largely superseded DTDs. A namespace-aware version of DTDs is being developed as Part 9 of ISO DSDL. DTDs persist in applications that need special publishing characters, such as the XML and HTML Character Entity References, which derive from larger sets defined as part of the ISO SGML standard effort.

reference

Full Form	Category
Distance To Default	Accounts and Finance
Datadawai, Long Lunuk	Airport Code
Dollars To Donuts	Business
Defend The Defender	Community
Dynamic Thermal Dissipation Technology	Computing
Document Type Declaration	Computing
Direct To Disk	Computing
Dump To Disk	Computing
Directed Technologies Drilling	Computing
Desktop Tower Defense	Computing
Database Table Definition	Database Management
Data Type Definition	Database Management
Document Type Definitionand	General
Dreaming The Dead	General
Distance To Destination	General
Dynamic Temperature Distribution	General
Dock To Dock	General
Driver Training Day	General
Dump Truck Driver	General
Down The Drain	General
Document Type Definitions	General
Down to Date	General
Dusk Till Dawn	General
Data Transfer Device	General
Document Transport Direction	General
Dynamic Type Definition	General
Dare To Dive	General
Describable Textures Dataset	General
Delta Tau Delta	General
Drunk Till Death	General
Deactivation Time Delay	General
Device Tracking Database	Governmental
Division of Training and Development	Governmental
DASALWADA A RD	Indian Railway Station
Document Type Definition	Information Technology
Double The Difference	Maths
Day To Day	Medical
Dentur Tales Doses	Medical
Developmental Topographical Disorientation	Medical
Diastrophic Dysplasia	Medical
Detailed Troop Decontamination	Military and Defence
Digitized Terrain Database	Military and Defence
Digital Topographic Data	Military and Defence
Directorate of Training Developments	Military and Defence
Datakawai, Indonesia	Regional
Document Type Descriptor	Softwares
Dated	Space Science
Dominant Trading Division	Stock Exchange
Datadawai Airport	Transport & Travel