Mantle includes a universal data model and service library for general enterprise automation applications.

For details about Mantle see its page on moqui.org:

https://www.moqui.org/mantle.html

There is an overview of Mantle Business Artifacts in the Making Apps with Moqui book. Download the PDF here:

https://www.moqui.org/MakingAppsWithMoqui-1.0.pdf