74 terms · 8 categories

Tech & Coding Glossary

The concepts that don't expire. Plain-English definitions for how software and the internet actually work — from the guide for young builders.

How the Internet Works

10 terms

URL Domain Name DNS HTTP Request Server Client Frontend Backend Request-Response Cycle IP Address

How Data is Stored and Moved

10 terms

Database Table Row Query SQL Filter Sort Join Aggregate JSON

How Logic Works

11 terms

Variable If/Then Condition Loop Function Input/Output For Loop Boolean String Array / List Dictionary / Object Event Listener

How Systems Connect

12 terms

API REST API Request Response Endpoint HTTP Methods Idempotent Status Code Full Stack Webhook Authentication Middleware

Core Web Technologies

10 terms

HTML CSS JavaScript Python Node.js Text Editor DOM Responsive Design CSS Flexbox CSS Grid

Infrastructure Concepts

8 terms

File System Command Line / Terminal Cloud Framework Protocol HTTPS CDN Caching

Development Concepts

7 terms

Syntax Bug Version Control / Git Deploy Package Manager CI/CD Pull Request

Thinking Skills

6 terms

First-Principles Thinking Systems Thinking Decomposition Mental Model Architectural Thinking Abstraction

Want to see how these fit together?Read the guide on learning to code and career planning for ages 12 and up.

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