The A-Z of tech terms everyone should know. Yes, even you.

Are you feeling like a dinosaur listening to your colleagues and peers use tech jargon you know nothing about? We get it. It’s hard to keep up, particularly in the ever-evolving industry that is tech. We’ve just about normalised bitcoin in conversation and now we have NFTs taking over our conversations.

Here are some useful tech terms you can throw into a conversation to prove that you are tech-savvy, even when you’re not.

What are tech terms?

Tech terminology can be abbreviations, acronyms, phrases, or words related to a specific field. Usually, these terms are used among techies as they are in the know, but to us, outsiders, it may sound like absolute gibberish. 

Here’s your A-Z introduction guide to tech terms to bridge the gap between us, mere commoners and tech geeks.


This is the simplification of data by removing redundant information.


An acronym for Atomicity, Consistency, Isolation, and Durability. This is a set of database transaction properties meant to validate data, even with errors. 

Ad Hoc Network

A network that is established for single-use, instead of a network such as a home or an office network connection that is established for a prolonged period.

Application Programming Interface (API) 

An API connects the dots between multiple software components, all the while making it seem as if it is functioning as a singular software. These are common and usually, help apps and other programs work seamlessly.

Accessible Technology

Hardware or software created to assist people with disabilities. This could refer to technology such as prosthetics or text-to-speech capabilities.


The process of verifying your identity or device. This could be through an OTP (One-Time Pin) or security questions that were set up when you created an account.


The back-end of a website refers to everything the web developer sees and the user is unable to see on a website. Think of it as the behind-the-scenes of a website. The back-end of the website stores, and organises the data to ensure that the user experience on the front-end is smooth.


The amount of data per second that can travel along a single connection.

Big Data

Data that is too big to be processed by traditional databases. Companies and organisations usually capture big data from devices and applications to follow the buyer’s journey. 


An error in coding on a website, program or app that prevents it from working properly.


An intelligent and intuitive interface element that helps the user navigate easily. It allows the user the opportunity to retrace their steps and easily navigate to parent pages.


Where your computer stores information from a webpage, so that you can return to that same webpage faster in the future.

Cascading Style Sheets (CSS)

An acronym that stands for Cascading Style Sheets. It is a language to describe the presentation styles you see on a website, including how they are laid out, colours and size of headings and links.

Central Processing Unit (CPU)

An acronym for a Central Processing Unit is a computer’s main processor. The hardware that performs functions and calculations to display what the user is looking for.

Cloud computing

Technology that stores documents, files and other data over the internet as opposed to physical hardware like a USB or external hard drive.

Computer-Aided Design (CAD)

An acronym for Computer-Aided Design. It is software usually used by architects and designers to draw images that are precise and accurate.


Data that a web page creates once you visit a website. This data is stored on a device to track a user’s browsing behaviour.


A sphere of knowledge that includes facts about programs, network points or addresses organised on different levels.

Domain Name System (DNS)

An acronym for Domain Name System. The name is recorded by the server associating the subdomain or the host of the website.


To include media such as videos, links or other digital content within a text. For example, YouTube videos are embedded into websites or blog posts.


When data is converted into code that is hard to unencrypt, to keep information safe and secure. For example, credit card information is usually encrypted on websites to ensure that developers or people working on the back-end of the website are unable to access that information.


A type of gateway or protection software that programmers use so that outsiders are unable to enter.


The front-end of the website refers to everything that the user can see when they click a link taking them to a particular website. It refers to colours, fonts, images, buttons and navigation menus.

Graphics Interchange Format (GIF)

An acronym for Graphics Interchange Format, which is in layman’s terms an animated image.

HyperText Markup Language (HTML)

A coding markup language that organises website content that is displayed on a browser. HTML is the skeleton or the foundation that holds everything together. HTML ensures that the website is usable on various devices and browsers.

Internet Service Provider (ISP)

An acronym for an Internet Service Provider.


JavaScript is a programming language to create dynamic and interactive web content. It could refer to dropdown menus, contact forms and modal windows.

Local Area Network (LAN)

An acronym for Local Area Network. It is a geographically limited network.


A term used for malicious software that is intended to harm a system.


Emails sent by scammers intended for fraudulent activity.

Search Engine Optimization (SEO)

An acronym for Search Engine Optimization. It is a technique used by marketers to ensure that their web pages are ranking high on search engines like Google. The higher up it ranks, the better the conversions.

Software as a Service (SaaS)

An acronym for Software as a Service. A way of delivering software over the internet, usually as a subscription service, instead of purchasing hardware to be uploaded to your device. You can simply sign in via your browser or download the software via app stores like Apple Store or Google Play.

Unique Resource Locator (URL)

An acronym for Unique Resource Locator. It is used to identify websites and web pages.


The resizing of a compressed file to its original size so that it can be edited. 


When a file is too large to be sent as an attachment, the file can be zipped or compressed.

At Believe Resourcing, we hope that this glossary of introductory tech terms helps prove that you have your finger on the proverbial pulse. Use them as you deem fit, although this list comes with one warning: don’t use them all at once.