Generation in this sense of birth cohort, also known as a social generation, is widely used in popular culture, and has been the basis for societal analysis.
For Power BI Premium, you get 100TB of storage and a data refresh maximum of 48 per day (minute-based schedule that can be refreshed every 30 minutes).
Package refresh. This synchronizes your Power BI Desktop, or Excel, file between the Power BI service and OneDrive, or SharePoint Online. This does not pull data from the original data source. The dataset in Power BI will only be updated with what is in the file within OneDrive, or SharePoint Online.