Dataflows are a self-service, cloud-based, data preparation technology. Dataflows enable customers to ingest, transform, and load data into Microsoft Dataverse environments, Power BI workspaces, or your organization's Azure Data Lake Storage account.
Dataflows are an important component in the Power BI architecture. Using them can enhance the development and maintenance of your Power BI solution significantly.
What is Power BI Dataflow and Why you should use it: