# Reference

> Lookup pages for ERP and distribution work, including a glossary, a KPI formula sheet, a Prophet 21 and Kinetic comparison and troubleshooting tables.

Source: https://docs.lumina-erp.com/reference/

**In short.** Pages to keep open while you work: definitions, formulas and comparison tables, each linking to the full guide.

Short pages built for lookup rather than reading. Each one links back to the guide that explains the reasoning.

- [Glossary of ERP and distribution terms](https://docs.lumina-erp.com/reference/glossary.md): Plain-language definitions of the Prophet 21, Epicor Kinetic and wholesale distribution terms used in these docs, from BAQ and DynaChange to GMROI.
- [Distribution KPI formula sheet](https://docs.lumina-erp.com/reference/kpi-formulas.md): Every distribution metric used across these docs on one page, with its formula, its unit, which way is better and a link to the full guide and calculator.
- [Troubleshooting symptom index](https://docs.lumina-erp.com/reference/troubleshooting.md): A symptom index for Prophet 21, Epicor Kinetic and distribution metrics. Find what you are seeing, the usual cause and the guide section that explains the fix.
- [Prophet 21 and Epicor Kinetic compared](https://docs.lumina-erp.com/reference/prophet-21-and-kinetic-compared.md): How Prophet 21 and Epicor Kinetic software line up concept by concept, for people who know one and need the other, and for leaders weighing where each fits.

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Epicor, Prophet 21, P21 and DynaChange are trademarks or registered trademarks of Epicor Software Corporation registered in the United States and other countries. Kinetic is a trademark of Epicor Software Corporation. Lumina ERP is an independent consultancy and is not affiliated with, sponsored by or endorsed by Epicor.