# D

- [Data Lake](/glossary/d/data-lake.md): A storage repository that holds a vast amount of raw data in its native format until it is needed.
- [Data Warehousing](/glossary/d/data-warehousing.md): Electronic storage of a large amount of information by a business, in a manner that is secure, reliable, easy to retrieve, and easy to manage.
- [Database](/glossary/d/database.md): An organized collection of structured information, or data, typically stored electronically in a computer system.
- [Deployment](/glossary/d/deployment.md): The process of making a software application available for use.
- [DevOps](/glossary/d/devops.md): A set of practices that combines software development (Dev) and IT operations (Ops) to shorten the system development life cycle and provide continuous delivery with high software quality.
- [Distributed System](/glossary/d/distributed-system.md): A system whose components are located on different networked computers, which communicate and coordinate their actions by passing messages.
- [DNS (Domain Name System)](/glossary/d/dns-domain-name-system.md): The phonebook of the Internet. Humans access information online through domain names, like nytimes.com or espn.com.
- [Docker](/glossary/d/docker.md): An open platform for developing, shipping, and running applications in containers.
- [Domain](/glossary/d/domain.md)