| Domains | Refers to any group of users, workstations, devices, printers, computers and database servers that share different types of data via network resources. |
| Hosts | A computer or other device that communicates with other hosts on a network. |
| Protocol | It indicates the format for how your browser and the remote server are going to communicate. For web requests this is typically http or https, it is the part before the : in the full address. |
| IP Address | Internet Protocol Address. A unique address that identifies a device on the internet or a local network. |
| Domain Name Services (DNS) | A naming database in which internet domain names are located and translated into Internet Protocol (IP)addresses. The domain name system maps the name people use to locate a website to the IP address that a computer uses to locate that website. |
| Time To Live (TTL) | A number of seconds that the information can be safely stored and reused. |
| Top Level Domain (TLD) | Refers to the last segment of a domain name, or the part that follows immediately after the "dot" symbol. |
| CNAME | A Canonical Name Record is used in the Domain Name System (DNS) to create an alias from one domain name to another domain name. |
| Port Number | The logical address of each application or process that uses a network or the Internet to communicate. |
| Socket | A virtual connection between your computer and a port on a remote computer. |