---
title: "Glossary of Terms"
description: "Term Definition Agent A self contained program that runs in a WASM sandbox AXIS Agent eXchange Identity & Security — trust verification protocol Broker Routes tasks to the most cost effective handler Compensation An undo"
resource: https://www.aiagents.nexus/docs/manual/glossary/terms
generated: { by: "process:nexus-agent-assets", at: 2026-09-07T09:13:03Z }
status: stable
---

# Glossary

| Term | Definition |
|------|-----------|
| **Agent** | A self-contained program that runs in a WASM sandbox |
| **AXIS** | Agent eXchange Identity & Security — trust verification protocol |
| **Broker** | Routes tasks to the most cost-effective handler |
| **Compensation** | An undo action for a saga step |
| **Durable Objects** | Cloudflare's stateful edge storage |
| **Edge** | Cloudflare Workers deployment for global low-latency |
| **Fuel** | WASM CPU budget — prevents infinite loops |
| **naos** | The Nexus OS CLI binary |
| **One-for-all** | Supervisor strategy: restart all children when one fails |
| **One-for-one** | Supervisor strategy: restart only the failed child |
| **Pool** | A group of identical agents processing tasks in parallel |
| **Rest-for-one** | Supervisor strategy: restart failed child and all after it |
| **Saga** | Multi-step transaction with automatic rollback |
| **Skill** | A pre-built handler for common tasks (no LLM needed) |
| **Supervisor** | Monitors agents and restarts them on failure |
| **Trust Tier** | T1-T5 rating of agent trustworthiness |
| **WASM** | WebAssembly — sandboxed execution environment |
| **Workflow** | Sequential data pipeline where output feeds next input |