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Glossary of terms

Short, plain definitions of the terms you will meet around the Act and in Veillo. Educational, not legal advice.

Updated May 2026

Terms

Deployer

An organisation that uses an AI system in its own activities. Most SMBs are deployers, and this is who Veillo is built for.

Provider

An organisation that develops an AI system or puts it on the market. Provider duties are heavier than deployer duties.

Risk tier

How the Act sorts a use: prohibited, high, limited, or minimal. The tier sets the obligations.

Annex III

The Act's list of high-risk use categories, such as recruitment, creditworthiness, and biometric identification.

Annex IV

The technical documentation that should exist for a high-risk system, which a deployer keeps on file.

AI literacy

The Article 4 duty to make sure the people using AI on your behalf understand what it does and its limits.

GPAI

General-purpose AI: broad models like large language models. They carry their own provider obligations under the Act.

DPIA

Data protection impact assessment, a GDPR Article 35 step for processing of personal data likely to be high-risk.

FRIA

Fundamental rights impact assessment, an Article 27 step required of certain deployers before using a high-risk system.

Counsel-reviewed catalog

Classifications a lawyer has reviewed, which every customer using a tool that way inherits with the reasoning attached.

AI-assisted classification

A model's suggested tier for a system Veillo has not seen before. It is always marked and confirmed by a person.

Compliance health score

A weighted measure on your dashboard of how many of your duties are in place, with high-stakes duties counting for more.

For fuller explanations of the law itself, the library has plain-English guides. To see how these land on your own tools, run the free inventory.

Veillo is compliance tooling, not a law firm. Even counsel-reviewed content is general reference, not legal advice on your specific situation.

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