Term	Description	References
DNS	DNS (Domain Name System) is a hierarchical and decentralized naming system for Internet connected resources. DNS maintains a list of domain names along with the resources, such as IP addresses, that are associated with them.	https://developer.mozilla.org/en-US/docs/Glossary/DNS
DNS lookup	DNS lookup is process of translation of human-friendly domain names (such as mozilla.org) to a numeric IP address.	https://developer.mozilla.org/en-US/docs/Glossary/DNS