Hi, Yes here is your user guide
Oracle Fusion Cloud HCM Subject Areas for Transactional Business Intelligence in HCM F97517-02 24C https://docs.oracle.com/en/cloud/saas/human-resources/24c/faohb/Workforce-Management--Historical-Reported-Time-Car-SA-58.html#Workforce_Management__Historical_Reported_Time_Car_SA_58_d1e18154
Workforce Management - Reported Time Cards Real Time Workforce Management - Processed Time Cards Real Time
Workforce Management - Historical Reported Time Cards Real Time Workforce Management - Historical Processed Time Cards Real Time
and you also have your data lineage
which maps each presentation table column in each subject area to data source
https://community.oracle.com/customerconnect/discussion/40249/hcm-otbi-subject-areas-to-database-lineage-mapping-spreadsheet/p1
Thanks Nathan 👍