Dataflow Gen2
Dataflow is a tool that has been around in the Power BI service for a very long time , and is used to import, transform, and load data into a semantic model (ETL). Practically, it is Power Query in a cloud environment. With the advent of Microsoft Fabric, Dataflow Gen2 was introduced , which is much more advanced compared to the previous version and enables faster work with large amounts of data, as well as their parallel processing.