IT Glossary & Dictionary

10 terms covering Linux, Python, DevOps, Networking, Databases, and more.

Clear definitions and in-depth explanations for beginners and professionals.

All Cloud Computing (35) Databases (51) DevOps (60) Linux (60) Networking (46) Programming Concepts (40) Python (55) Security (40) Web Development (53)

A-Z: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Clear

C

Caching

Web Development

Storing copies of frequently accessed data in faster storage to reduce load times and server processing.

Canonical URL

Web Development

An HTML element that tells search engines which URL is the preferred version of a page when duplicate or similar content exists at multiple URLs.

CDN (Content Delivery Network)

Web Development

A distributed network of servers that delivers web content to users from the geographically closest location.

Content Negotiation

Web Development

An HTTP mechanism where client and server agree on the best representation of a resource based on format, language, or encoding preferences.

Cookie

Web Development

A small piece of data stored in the browser by a website to remember user preferences, login state, or tracking information.

CORS Headers

Web Development

HTTP headers that control cross-origin resource sharing between different domains, specifying allowed origins, methods, and headers.

CORS Preflight

Web Development

An automatic OPTIONS request sent by browsers before certain cross-origin requests to check if the actual request is permitted.

Cross-Origin Resource Sharing (CORS)

Web Development

An HTTP mechanism that allows web pages to request resources from a different domain than the one serving the page.

CSS Flexbox

Web Development

A CSS layout model that provides efficient arrangement of items within a container, handling alignment, distribution, and spacing.

CSS Grid

Web Development

A two-dimensional CSS layout system for creating complex grid-based designs with rows and columns.

How Our IT Glossary Helps You

More than just definitions — our glossary is a learning tool that connects concepts to practical resources.

📚 Clear Definitions

Every term has a short definition for quick reference and a detailed explanation for deeper understanding.

🎯 Difficulty Levels

Each term is tagged as Beginner, Intermediate, or Advanced so you know if it matches your current knowledge.

🔗 Linked to eBooks

Terms link to relevant eBooks so you can go from a quick definition to in-depth learning in one click.

🔭 9 Categories

Browse by topic area — filter by category and A-Z letter to find exactly what you need in seconds.

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Frequently Asked Questions

What is the Dargslan IT Glossary?

The Dargslan IT Glossary is a comprehensive dictionary of 10 information technology terms covering 9 categories including Cloud Computing, Databases, DevOps, Linux, Networking, Programming Concepts. Each term includes a clear definition, an in-depth explanation, difficulty level, and links to related eBooks for further learning.

How many terms does the glossary contain?

The glossary currently contains 10 terms across 9 categories. We regularly add new terms to keep the glossary current with the latest technologies and concepts.

Who is this glossary for?

The glossary is designed for anyone working in or learning about IT — from complete beginners encountering unfamiliar terms to experienced professionals looking for precise definitions. Each term includes a difficulty badge (Beginner, Intermediate, or Advanced) so you can find content at your level.

Can I browse terms by category?

Yes. Use the category pills at the top of the glossary to filter terms by topic such as Cloud Computing, Databases, DevOps, Linux, Networking, Programming Concepts. You can also use the A-Z letter filter to jump to terms starting with a specific letter, or combine both filters.

How are glossary terms linked to eBooks?

Many glossary terms are linked to relevant eBooks in our store. When you read a term definition, you will see recommended books that cover that topic in depth — making it easy to go from a quick definition to comprehensive learning.

Is the glossary free to use?

Yes, the entire IT glossary is completely free. Browse, read, and learn from all 10 terms without any registration or payment required.

How do I find a specific term?

You can use the A-Z letter navigation to jump to terms starting with a specific letter, filter by category to narrow results, or use the search bar in the header to find any term by name. Each term has its own dedicated page with a full explanation.