KNOWEXUS / TECH GLOSSARY
Know what it actually means.
Clear, practical explanations of 20 technical terms across AI, web development, and infrastructure.
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API
An API (Application Programming Interface) is a set of rules, protocols, and tools that enables different software appli...
Web DevelopmentAI Agent
An AI Agent is an autonomous system that can perceive its environment, make decisions, and take actions to achieve goals...
AI ConceptsLLM
A Large Language Model (LLM) is a deep learning model trained on massive text datasets to understand and generate human ...
AI ConceptsRAG
RAG (Retrieval-Augmented Generation) is an architecture that enhances LLMs by retrieving relevant information from exter...
AI ConceptsReact
React is a JavaScript library for building user interfaces using a component-based architecture. Created by Facebook in ...
Web DevelopmentJavaScript
JavaScript is the programming language of the web. Originally created to make web pages interactive, it now runs everywh...
Web DevelopmentDNS
DNS (Domain Name System) is the internet's phone book. It translates human-readable domain names (like google.com) into ...
InfrastructureCDN
A CDN (Content Delivery Network) is a distributed network of servers that cache and serve content from locations geograp...
InfrastructureSEO
SEO (Search Engine Optimization) is the practice of improving your website so that search engines like Google rank it hi...
Web DevelopmentEmbedding
An embedding is a mathematical representation — typically a high-dimensional vector — of text, images, or other data tha...
AI ConceptsVector Database
A vector database stores and searches embeddings — mathematical representations of meaning. Unlike traditional databases...
AI ConceptsTransformer
The Transformer is the neural network architecture behind virtually all modern LLMs. Introduced in 2017's 'Attention Is ...
AI ConceptsPrompt Engineering
Prompt engineering is the practice of designing inputs that elicit better outputs from LLMs. Good prompting involves spe...
AI ConceptsTypeScript
TypeScript is a typed superset of JavaScript that adds static type checking at compile time. It compiles to plain JavaSc...
Web DevelopmentNode.js
Node.js is a JavaScript runtime built on Chrome's V8 engine that lets you run JavaScript outside the browser — on server...
Web DevelopmentEdge Computing
Edge computing processes data and runs code close to where it's needed — at the 'edge' of the network, near users or dev...
InfrastructureServerless
Serverless computing lets you run code without managing servers. You write functions, deploy them to a platform, and onl...
InfrastructureCaching
Caching stores copies of data temporarily to serve future requests faster. Instead of recomputing or refetching from a s...
InfrastructureCore Web Vitals
Core Web Vitals are Google's three key metrics for user experience on the web: Largest Contentful Paint (loading speed),...
Web DevelopmentFine-tuning
Fine-tuning adapts a pre-trained LLM to a specific task or domain by training it further on specialized data. This produ...
AI Concepts