API Objects
From API Documentation
As described on the page, API Calls (Calls as Verbs), the calls in the Zuora API can be thought of as functioning much like verbs do in human language: They are the actions that you perform.
Just as the calls are the verbs in the Zuora API (the things that are taking action), the objects in the Zuora API are the things upon witch the calls take action.
Adjustment (removed)
