The image shows an OCI Region with a VCN-1 (Workload) and an On-Premises setup with Enterprise Applications, SaaS Applications, and Databases.

The VCN-1 (Workload) has the following components:

Private Subnet (Mid Tier) containing OCI Data Integration connected Machine Learning and to the On-Premises setup.
Private Subnet (Data) containing Data Safe and Oracle Autonomous Data Warehouse connected to OCI Data Integration.
Artificial Intelligence, OCI Object Storage, Vault, and Policies.