Private Endpoint / Private Link
Problem
Your application accesses a managed cloud database.
The database normally has a public service endpoint.
But you want connectivity to stay private rather than exposing the service through a public network endpoint.
Solution — Private Endpoint
The managed service receives a private endpoint reachable from your virtual network.
Application
↓ private IP
VNet
↓
Managed database
Core idea: Private Link-style technologies expose managed services privately inside your network.