An integration is an instance of a data flow that has been run.

In an integration, the data flow has been invoked to move, and optionally process, data originating from the source endpoint and landing in the destination endpoint.

The Integrations page displays a list of data flows to which the current user has access. See Working with Data Flows. The Activity > Integrations page contains a list of integrations that have been run. See Viewing integration information.