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Glossary / Dictionary

Glossary of terms and definitions for IT (Information Technology), the Internet and cyber security.

This glossary provides more than 480 clear and concise definitions of commonly used terms in the fields of information technology, the internet, and cyber security. It is designed to support users of all levels in understanding key concepts, technical jargon, and acronyms frequently encountered across digital platforms and security-related discussions. Whether you are a business owner, student, professional, or simply interested in the digital landscape, this resource aims to enhance your knowledge and confidence in navigating the ever-evolving world of technology.



IMAP (Internet Message Access Protocol)

A standard email protocol that allows users to access and manage their email messages on a mail server from multiple devices. Unlike POP, IMAP keeps messages on the server, enabling synchronisation across devices.

Example: IMAP allows users to read email from multiple devices.

See also: POP3, Mail Server



Mail Server

A computer system that sends, receives, and stores email messages using standard protocols such as SMTP, IMAP, and POP3.

Example: A university manages its own mail server on-site to handle student and staff email communications internally.

See also: Email, IMAP, POP3, SMTP