The image shows an OCI Region with an Availability Domain containing a VCN with:

• A Public Subnet containing an API Gateway. The API Gateway connects to AWS via an Internet Gateway.
• A Private Subnet containing a Database System.
• A Public Subnet containing a Data Integration (Enable Private Endpoint). A monodirectional arrow connects from the API Gateway. A bidirectional arrow connects to: AWS via DRG, FastConnect, Colt, and AWS Direct Connect /Azure via DRG, Oracle Interconnect for Azure. A monodirectional arrow connects to a Data Lake (OSN) via a Service Gateway.
• A Private Subnet containing a Connectivity Agent. A bidirectional arrow connects to an on-premises data center via DRG, Site-to-Site VPN or FastConnect.