# Understand

Understand PLLM's architecture, trust boundaries, privacy assumptions, and evidence model.

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Document ID: `pllm.docs.understand`  
Release: `0.1.0`

- [Architecture](/learn/understand/architecture/) follows a system from configuration to publication.
- [Trust boundaries](/learn/understand/trust-boundary/) explain which party can see each value.
- [Privacy and assurance](/learn/understand/privacy-assurance/) define what current evidence does and does not show.
- [Evidence and claims](/learn/understand/evidence-claims/) keep implementation, measurement, and publication claims separate.