> For the complete documentation index, see [llms.txt](https://docs.riff.ai/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.riff.ai/concepts.md).

# CONCEPTS

- [Concepts](https://docs.riff.ai/concepts/concepts.md): Understand how Riff works — so you can deploy with confidence.
- [Apps and Agents](https://docs.riff.ai/concepts/apps-and-agents.md): When to build a screen, when to build a worker — and how Apps and Agents work together in Riff.
- [What is a Riff agent?](https://docs.riff.ai/concepts/what-is-a-riff-agent.md): What a Riff agent is, how to think about it, and what makes it different from automation or a chatbot.
- [How agents act on ERPs](https://docs.riff.ai/concepts/how-agents-act-on-erps.md): How Riff connects to your ERP and what "taking action" actually means at a technical level.
- [Reversibility and audit trail](https://docs.riff.ai/concepts/reversibility-and-audit-trail.md): How Riff ensures every agent action can be undone, every edge case reaches a human, and every step is logged.
- [Security](https://docs.riff.ai/concepts/security.md): Riff's security posture — SOC 2, SSO, GDPR, data residency, and access control.


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