A

A Record

This is a DNS record which will translate a domain name to an IPv4 address

C

CLI

Command line interface. This is used for interacting with a computer system using text, rather than a user interface.

D

DNS

Initialism of Domain Name Server. This is the distributed internet system which converts domain names (for example google.com) to an IP address.

I

IPv4

IPv4 stands for Internet Protocol version 4. This was the original production version of IP and addresses are 32 bit integers, often expressed in the following notation, 192.168.0.1.

W

Web server

A web server is some software which delivers web pages, i.e., HTML documents and other documents such as CSS and images to a client such as a web browser.