# Data and Validation | Field / Enum | Description | Object | Link | | --- | --- | --- | --- | | Documents | Breakdown of all documents that can be uploaded against objects in the system. | `APPLICATION`, `CUSTOMER`, `WITHDRAWAL` | [Link](/guides/data_models_documents) | | Address | Data to capture where an entity is registered and/or located. | `APPLICATION`, `CUSTOMER`, `COUNTERPARTY` | [Link](/guides/data_models_address) | | Primary Business | Data to describe the main business activity of a corporate customer. | `APPLICATION`, `CUSTOMER` | [Link](/guides/data_models_primary_business) |