An Appointment Letter is a legal document that confirms that an organization has offered a position to an employee and they have accepted the terms and agreement in exchange for a salary.

Experience certificate is issued after the employee leaves the organization. IT contains all details about employee such as year of experience, salary etc.,

HRM is an efficient management of people in an organization or a company such that they can contribute to the business gain of a company/organisation. 

Performance management is a tool used by managers to monitor and evaluate the work performance of employees.

Recruitment in HRM is the process of finding and hiring the best and most qualified candidate for a job opening in a timely and cost-effective manner.

Training and Development in HRM can be defined as a system used by an organization to improve the skills and performance of the employees to improve productivity in an organization.