Using both private (on-premises) and public cloud services together. Like having both a home kitchen and ordering takeout - using the best option for each situation.
A bank might keep sensitive customer data in their private data center while using public cloud for website hosting and email.
These offerings enable hybrid cloud by extending public-cloud services, management, and policies to on-premises or edge environments. AWS Outposts brings AWS hardware/services on-prem; Azure Arc and Google Anthos provide centralized management and Kubernetes-based app platforms across on-prem and multiple clouds; OCI Dedicated Region runs OCI cloud services in a customer data center.