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Glossary

Prompt​

Your instruction, question, or text for the AI. The foundation of everything.

Token​

The smallest unit of text for the AI (a word, or part of a word). The "context window" is measured in tokens.

Context Window​

The 'working memory' of the AI - the maximum amount of text (tokens) the model can process at one time.

Persona​

A set of instructions that gives the AI a specific role or style (e.g., expert, coach).

Hallucination​

When the AI presents nonsense or wrong info that sounds convincing. Always double-check.

Prompt Engineering​

The art of writing effective prompts to get exactly the output you want.

API (Application Programming Interface)​

Like a power strip for software - lets different programs communicate. Extensions use this.

Extension​

An extra tool or plug-in that gives UvA AI Chat new features, often by linking with other systems via an API.

Bias​

When the AI (unintentionally) adopts biases from its training data, which can result in unfair or skewed answers.

LLM (Large Language Model)​

A very large AI model trained on massive amounts of text, capable of understanding and generating human language. This is the engine behind the chat.