Arranging Project

I want to start this project and wants to know the best practices, you guys using to arrange the project. I have done lot of mvc projects and API's in c#. But Intersystems is new to me. Please give me some suggestions like how can I Arrange the objects. Like for eg. Where can I store the productions objects like services,process and operations. will that be like under each resouces folder name? and what are the base classes, and how can I store them? basically please give me some idea about how Can I arrange them . 

Thank you 

Sai