Glossary

16 essential AI terms explained simply

📚 AI Terms

Term Definition
AI Agent An AI that can plan, use tools, and take actions
API Key Secret code to access AI services
Context Window How much text the AI can 'remember' at once
Token Chunks of text (roughly 4 chars = 1 token)
Prompt What you type to the AI
MCP Model Context Protocol (connects AI to tools)
Subagent A child agent spawned for specific tasks
Orchestrator Parent agent that manages subagents
Hallucination When AI makes up false information
Fine-tuning Training a model on specific data
RAG Retrieval-Augmented Generation
Vector DB Database optimized for similarity search
Embedding Numerical representation of text meaning
Temperature Controls randomness in AI responses
Token Limit Max tokens per request
Rate Limit Max requests per time window
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