# Page Not Found

The URL `en/articles/2188944-key-concepts-in-frends` does not exist.

You might be looking for one of these pages:
- [Process Instances](https://docs.frends.com/management-and-operations/dashboard-and-monitoring/process-instances.md)
- [Reusable Content](https://docs.frends.com/frends-development/integrations/reusable-content.md)
- [Long Running Processes](https://docs.frends.com/frends-development/integrations/long-running-processes.md)
- [Supporting Integrations](https://docs.frends.com/get-started/getting-started-guide/supporting-integrations.md)
- [Environments](https://docs.frends.com/management-and-operations/integration-lifecycle/environments.md)

## How to find the correct page

1. **Browse the full index**: [/sitemap.md](https://docs.frends.com/sitemap.md) - Complete documentation index
2. **View the full content**: [/llms-full.txt](https://docs.frends.com/llms-full.txt) - Full content export

## Tips for requesting documentation

- For markdown responses, append `.md` to URLs (e.g., `/management-and-operations/dashboard-and-monitoring/process-instances.md`)
- Use `Accept: text/markdown` header for content negotiation