Where do you need to navigate to configure binding keys in Mendix?

Binding keys in Mendix are configured within the Constants of a specific module, such as the InvoiceProcessing module. Constants provide a centralized location to define static values that can be reused throughout the application. By placing binding keys in the Constants, you ensure consistency and manageability, since changing a key in this centralized spot updates it wherever it is used across the module.

In this context, the other options do not serve the purpose of binding key configuration. The App Settings generally pertain to application-wide settings rather than specific module configurations. The Domain Model focuses on the data structure and relationships rather than on the configuration specifics of binding keys. The Microflow Editor is used to define the logic and flow of the application processes but does not include configuration for binding keys, which are more related to the data context that the microflows would interact with. Thus, for configuring binding keys effectively, the correct location is indeed within the Constants of the module.