The lexicon sustaining the digital and technological revolution

Author: WINSTON MANRIQUE SABOGAL

On 23 August 1991, history reached a fork in the road, embarking on a collective journey into the unknown: the World Wide Web (WWW) was opened to the public. It marked the beginning of the Internet’s expansion into a mass-market medium. Dissemination and communication entered a new era. The true revolution was not merely technological; it was equally linguistic and cultural.

That Friday marked the emergence of an ecosystem that urgently needed to be named and identified. A new vocabulary was born to describe tools, processes, and ideas that had never existed before. Novel words, concepts, and terms appeared whose reach transcended specialised circles, transitioning from the professional sphere into daily life.

To name is to understand. And to understand digital language is to comprehend a substantial part of the world we inhabit. It was not just new machines that emerged, but an unprecedented lexicon that has never stopped expanding with terms such as:

• web
• browser
• link
• URL
• search engine
• cloud
• algorithm
• social media
• streaming
• big data
• metaverse
• connectivity
• techno-humanism
• artificial intelligence…

This dual world—analogue and digital— with its communicating vessels and constant interactions across both personal and professional spheres, continues to expand and reshape how we access knowledge, work, learn, and relate to one another. In doing so, it has redefined one of humanity’s most fundamental capacities: communication.

This article explores that technological revolution through an essential dictionary. The question guiding this selection is: which words from the digital realm should anyone know and understand when using technology, reading the news, or following current affairs?

This guide will be published in two instalments. This first part explores the origins of the Internet, data, and the infrastructure that underpins our digital world.

Preamble: The Digital Big Bang

Before discussing the World Wide Web, it is worth distinguishing it from the Internet itself. The Internet is a global, decentralised computer network formed by the direct interconnection of computers using standardised communication protocols. The Web is one of the services that operates on top of this network, and the one that democratised access to information through interlinked pages.

1989 was a watershed year in contemporary history. While the Berlin Wall fell, another revolution was taking shape at CERN that would transform how we access knowledge and communicate, shaping much of humanity’s future.

In 1989, Tim Berners-Lee proposed the World Wide Web at CERN in Geneva, Switzerland. Throughout 1990, he developed the system, which became publicly accessible in 1991. The three Ws were conceived with the aim of creating a system through which scientists could share and access documents across the Internet.

Yet the project was so revolutionary that Tim Berners-Lee developed three essential technologies to make the Web functional: HTML (HyperText Markup Language), URIs/URLs (the uniform resource identifiers used to locate resources on the network), and HTTP (Hypertext Transfer Protocol, the set of communication rules that allow those resources to be retrieved across the network).

Data: The Fuel of the Digital World
Looking beneath what appears on our screens reveals that everything is ultimately numbers, and that all information is represented through coded digital data—a language that gives tangible form to cyberspace.

• Data: If we were to ask an artificial intelligence to define data, it might respond: “In the digital and online world, data refers to the fundamental raw units of information (such as numbers, words, pixels, or binary code) that hold no meaning on their own, but, when processed and structured, become actionable knowledge. They represent the ‘fuel’ of the digital age, as every online action continually generates, transmits, or consumes data.” When this data is generated in massive volumes and analysed to uncover behavioural patterns, it is known as big data. See also: Big Data, Artificial Intelligence.
• The Cloud (Cloud Computing): It has largely replaced the local hard drive for storing, managing, and processing all types of information. The cloud is a global network of physical servers connected via the Internet, integrating software and hardware managed by specialised providers. The foundations of the concept date back to the 1960s, though it took off as a commercial industry in 2002 with the launch of Amazon Web Services. A vast majority of the digital platforms and services we rely on daily operate on cloud infrastructure. See also: Digital Platform, Big Data.
• Big Data: The management and analysis of massive, complex datasets that exceed the processing capabilities of traditional software, used to identify behavioural patterns and forecast trends. This large-scale analysis forms one of the foundational pillars upon which many contemporary artificial intelligence systems are trained. See also: Data, Artificial Intelligence, Algorithm.

Infrastructure and Connectivity
Connectivity is one of the key pillars of modern digital society. We live in a culture where immediacy has become an inherent expectation and speed is often directly associated with service quality.

• Connectivity: The very heartbeat of the digital world, enabling access to information, communication, and online services. It represents the ability of devices to connect with one another and with the Internet to exchange data, voice, or imagery. This connection can occur via fixed networks, such as fibre optics, or wireless networks, such as mobile telecommunications or Wi-Fi (a technology enabling the wireless interconnection of electronic devices without physical cabling). See also: Fibre Optics, 5G/6G, Internet of Things (IoT).
• Coverage and Capacity: Coverage denotes the geographical reach or physical area where a device receives a network signal, whether via satellite, mobile cellular networks, or fixed fibre/broadband. Capacity refers to the network’s capability and strength to transmit that signal cleanly and reliably to deliver service to multiple concurrent users.
• Broadband: A term designating high-speed Internet access. It consists of a telecommunications network capable of transmitting large volumes of data at high speeds. Rather than relying on a single channel, it distributes information across multiple simultaneous frequencies, resulting in substantially faster response times.
• Fibre Optics: A core pillar of modern networks, essential for ensuring high-speed Internet, crystal-clear voice calls, and stable connections. Transmission relies on light pulses sent through ultra-thin glass or plastic fibres capable of carrying vast amounts of information at near-instant speeds. Today, fibre optics and 5G mobile networks represent the two foundational physical infrastructures supporting the vast majority of global digital traffic. See also: Connectivity, Broadband.
• 5G/6G: Mobile handsets are the primary gateway through which people navigate cyberspace. 5G is the fifth-generation mobile communications standard, offering not only significantly higher speeds, but also ultra-low latency (minimal response delays) and the capacity to connect millions of devices simultaneously. 6G is currently in development and is expected to emerge over the coming decade.
• Electromagnetic Spectrum: The full range of electromagnetic radiation classified by frequency or wavelength. It serves as the physical medium enabling the wireless transmission of data, voice, and broadcast signals through the air—acting, colloquially, as an invisible network of motorways along which Wi-Fi, mobile telephony, radio, television, and satellite communications travel.
• Latency: In computing and telecommunications, latency is the time delay between a request or data packet leaving its source and reaching its destination. Time is critical here: minimising these delays is essential to improving service quality, whether for text, video, or audio. For this reason, mission-critical services, live streaming, and video conferencing rely on ultra-low latency. See also: Streaming, 5G/6G.
• Densification: The process of increasing the capacity and volume of network connections within a specific physical area. This involves deploying compact infrastructure—such as small cells, micro-antennas, or dedicated fibre nodes—to deliver seamless, high-performance coverage without saturating the macro network.
• Shared Infrastructure: A collaborative model in which different telecommunications operators share the exact same physical or digital assets (from mobile towers to fibre rollouts). This avoids unnecessary duplication of civil works, reduces capital and operational expenditure, shares maintenance, encourages market competition, and enhances overall network efficiency. Beyond economic savings, this neutral-host model substantially minimises environmental impact and urban footprint.
• Resilience: The capacity of a system to withstand, adapt to, and rapidly recover from adversity, stress, or disruption. In telecommunications, resilience enables a network to anticipate, absorb, and recover from internal malfunctions or external shocks (such as severe weather events, natural disasters, or cyberattacks). High resilience prevents outages and guarantees continuous service availability. Shared infrastructure models also play a vital role in reinforcing overall network resilience.

Understanding this invisible infrastructure is essential to understanding the digital world that underpins so much of our daily lives.

Next instalment: Connectivity, Artificial Intelligence, and Digital Society.

Winston Manrique Sabogal is the founding editor of WMagazín, a contributor to the Spanish daily El País, where he worked for 19 years, and the author of the book The Great Transformation: Beauty, Love, Sex and Happiness in the 21st Century (Galaxia Gutenberg).