IT Services Glossary: Key Terms Demystified

IT Services Glossary: Key Terms Demystified

Understand IT Services: A Simple Guide to Key Technical Terms

Navigating the world of IT services can be confusing, especially when confronted with a myriad of technical jargon. I also sat in many meetings, having to reach for a dictionary. To help you better understand these terms, my team and I compiled a list of essential IT services terminology. I provided a brief and straightforward explanation for each.

Cloud Computing:

The delivery of computing services over the Internet allows users to access software, storage, and processing power from any device with an Internet connection.


They protect computer systems, networks, and data from digital attacks, theft, or damage.

Data Center:

A large facility housing computer systems, servers, and equipment for storing and managing vast data.

Disaster Recovery:

A plan and process for restoring IT services and infrastructure after a significant disruption, such as a natural disaster or cyberattack.


They are converting data into a code to prevent unauthorized access.


A security system that monitors and controls incoming and outgoing network traffic based on predetermined security rules.


The physical components of a computer system, such as the processor, memory, and storage devices.

Help Desk:

A support center providing computer users assistance and troubleshooting services.

Internet of Things (IoT):

The interconnection of everyday objects via the internet enables them to send and receive data.

Managed Services:

Outsourcing IT services and tasks to a third-party provider allows organizations to focus on their core business.


A group of interconnected computers, servers, and other devices that share resources and communicate.


The programs and applications run on a computer system, enabling it to perform specific tasks.


Creating virtual versions of computer hardware, networks, and storage devices allows for more efficient use of resources.

VPN (Virtual Private Network):

A secure connection between two or more devices on the internet allows for private communication over a public network.

Web Hosting:

A service that provides the infrastructure and resources needed to make a website accessible to users on the internet.

Good to know

By familiarizing yourself with these essential IT service terms, you'll be better equipped to navigate the complex world of technology and make informed decisions for your business and career.