Where in HR does people analytics apply exactly? Elaborate on how it impacts the organization?

Can anyone tell me where in HR does people analytics apply exactly? Elaborate on how it impacts the organization?

What I understand is that the industries are applying people analytics in the areas of talent management, performance metrics,tackling retention issues, salary structuring,employee engagement. Data in the form surveys n exit interviews at organisational ican also provide a source for people analytics.
B.Saikumar

the following article tells how in the following areas of HR, people analytics is being used. Recruitment is one of them. Read about all the areas here "people analytics all set to redefine hr."

People analytics is a thread that maintains a healthy role within the organization. It helps in the management of various elements. For instance, the HR team works in building a healthy team and assigning responsibilities in accordance with the potential of the employee. The data generated by the application can be analysed by the QA team to scale these employees out of the box. As they determine to improve the quality of work invested in the team. So the best way to improve quality is paying attention to the analyst data for employees performance and the hurdles faced by the employees.