What metrics would be important to track with respect the primary HRM function you have chosen?

What metrics would be important to track with respect the primary HRM function you have chosen? Explore technological considerations for collecting data for these metrics within an HRIS system (i.e., What elements of data would be needed? How would the data be accessed? How would calculations of the metrics be made?). Describe how these metrics would be strategically relevant to an organization and its HR department. What management tactics would you recommend for communicating and using the results on these metrics?