DigElearn Digital Glossary

We have compiled terms and their definitions from different digital technologies. You will find that some terms are linked with others which will be highlighted in the text or end with a “See” link. If you see a terminology that we have not covered please let us know — contact us. We also review, update and add new terms on a quarterly basis. We hope this helps you in getting more digital savvy.

A/B Testing

Method of comparing two versions of a webpage or app against each other to determine which one performs better.


Organizations providing startups with mentorship, advice, and resources to help the startups succeed, including a Demo Day, a day to focus the attention of the startup investor community on the startups through hosting a series of investments pitches from the startups to startup investors. Startups are usually admitted in batches, with many accelerators offering 1-3 batches per year. Some focus on a specific industry, market, technology, stage, or other thesis, whereas others are more generalists. Most seek to run an application and screening process. Y Combinator is probably the most famous accelerator. www.ycombinator.com  
See Incubator >

Additive Manufacturing

Process of making three dimensional solid objects from a digital file whereby an object is created by laying down successive layers of material until the object is created. Each of these layers can be seen as a thinly sliced horizontal cross-section of the eventual object.
See 3D Printing >


Google AdWords assist advertisers in marketing products or services in the Google Search Engine. Advertisers bid on selected words that may appear in searches. If a search includes the advertiser’s AdWord, then an ad for the advertiser may appear on the top or bottom of the Search Results. The ads take the format of a short text ad that includes a title line, two short descriptive lines and a URL link to a website or a specific website page. The ad appears as a “sponsored link”. The system is a “pay per click” system, whereby you only pay the amount you have bid for if someone clicks on your ad as a result of a web search, i.e. pay per click.
See PPC >


Software development using the collaborative effort of self-organizing cross-functional teams, including adaptive planning, evolutionary development, early delivery, and continuous improvement. Agile encourages rapid and flexible response to change.

AI — Artificial Intelligence

Development of computer systems able to perform tasks that normally require human intelligence, such as visual perception, speech recognition, decision-making, and translation between languages.
See Deep Learning >
See Machine Learning >


Application programming interface: A set of clearly defined methods of communication between various software components. APIs also help exchange data between systems.

ARPU (Average Revenue per User)

A metric in common use by social media network to gauge the effectiveness of the network marketing programs, products and services.

Augmented Reality

Overlays digital content into the user’s real world environment.
See Virtual Reality >
See Mixed Reality >

Autonomous Driving

An unmanned ground vehicle capable of sensing its environment and navigating without a human driver (also known as a driverless car, self-driving car or robotic car).

AWS — Amazon Web Services

Amazon’s secure cloud services platform, offering compute power, database storage, content delivery and other functionality to help businesses scale and grow.
See IaaS — Infrastructure as a Service >

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Artificial Intelligence (AI).

Here is a short video introduction to Artificial Intelligence (AI). Each of DigElearn’s about 20 digital learning modules has a similar video introduction to help you begin your learning in that area.

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