DDL

• Data definition language or data description language, relating to databases
• Description Definition Language, part of the MPEG-7 standard
• Device Description Language, related to field devices for process and factory automation
• Digital data logger, a type of data logger, an electronic device that records data over time or in relation to location
• Direct download link, hyperlink for file downloads
• Dolby Digital Live, real-time audio compression
• Drop-down list, graphical user interface control element
• An acronym for the Australian light destroyer project

• Daniel Day-Lewis, actor

• Det Danske Luftfartselskab, Danish airline
• Dutch Defence League, a Dutch offshoot of the English Defence League

• Data-driven learning, an approach to learning foreign languages
• Den Danske Landinspektørforening, the Danish Association of Chartered Surveyors

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