---
description: Definitions of key terms used in the Cloudflare Workflows documentation.
title: Glossary
image: https://developers.cloudflare.com/og-docs.png
---

[Skip to content](#main-content)

> Documentation Index  
> Fetch the complete documentation index at: https://developers.cloudflare.com/workflows/llms.txt  
> Use this file to discover all available pages before exploring further.

# Glossary

Last updated Aug 24, 2026|Copy as Markdown|[View as Markdown](https://mchen-ai-models-sync.previews.developers.cloudflare.com/workflows/reference/glossary/index.md)|[Agent setup](https://mchen-ai-models-sync.previews.developers.cloudflare.com/agent-setup/)

Review the definitions for terms used across Cloudflare's Workflows documentation.

| Term              | Definition                                                                                                                                                                                                                                                                                                                                                                                             |
| ----------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ |
| Durable Execution | "Durable Execution" is a programming model that allows applications to execute reliably, automatically persist state, retry, and be resistant to errors caused by API, network or even machine/infrastructure failures. Cloudflare Workflows provide a way to build and deploy applications that align with this model.                                                                                |
| Event             | The event that triggered the Workflow instance. A WorkflowEvent may contain optional parameters (data) that a Workflow can operate on.                                                                                                                                                                                                                                                                 |
| instance          | A specific instance (running, paused, errored) of a Workflow. A Workflow can have a potentially infinite number of instances.                                                                                                                                                                                                                                                                          |
| step              | A step is self-contained, individually retryable component of a Workflow. Steps may emit (optional) state that allows a Workflow to persist and continue from that step, even if a Workflow fails due to a network or infrastructure issue. A Workflow can have one or more steps up to the [step limit](https://mchen-ai-models-sync.previews.developers.cloudflare.com/workflows/reference/limits/). |
| Workflow          | The named Workflow definition, associated with a single Workers script.                                                                                                                                                                                                                                                                                                                                |

Was this helpful?

YesNo

## On this page

[![](https://mchen-ai-models-sync.previews.developers.cloudflare.com/_astro/logo.te5VL_aD.svg)Docs](https://mchen-ai-models-sync.previews.developers.cloudflare.com/)

```json
{"@context":"https://schema.org","@type":"TechArticle","@id":"https://developers.cloudflare.com/workflows/reference/glossary/#page","headline":"Glossary · Cloudflare Workflows docs","description":"Definitions of key terms used in the Cloudflare Workflows documentation.","url":"https://developers.cloudflare.com/workflows/reference/glossary/","inLanguage":"en","image":"https://developers.cloudflare.com/og-docs.png","dateModified":"2026-08-24","publisher":{"@type":"Organization","name":"Cloudflare","description":"One platform for your apps, agents, and workforce. Build, secure, and scale without managing infrastructure","url":"https://www.cloudflare.com/","sameAs":["https://github.com/cloudflare","https://www.linkedin.com/company/cloudflare","https://x.com/cloudflare"],"logo":{"@type":"ImageObject","url":"https://developers.cloudflare.com/logo.svg"},"address":{"@type":"PostalAddress","streetAddress":"101 Townsend St","addressLocality":"San Francisco","addressRegion":"CA","postalCode":"94107","addressCountry":"US"},"contactPoint":[{"@type":"ContactPoint","contactType":"Customer Support","url":"https://support.cloudflare.com/","availableLanguage":["English"]},{"@type":"ContactPoint","contactType":"Sales","url":"https://www.cloudflare.com/contact/","availableLanguage":["English"]}]},"isPartOf":{"@type":"WebSite","@id":"https://developers.cloudflare.com/#website","name":"Cloudflare Docs","url":"https://developers.cloudflare.com/"}}
```