The correct answer to this open question is the following.
The term that refers to the initial training given to all new employees is "employee orientation."
When an employee is recently hired, one of the first things he/she is going to receive is employee orientation, which includes the basic background of the company, its purpose, its mission, vision, and philosophy. The employee is going to get the proper training to do its job and it is going to be introduced to other workers who are going to have work relationships and other departments that are related to ist activities.
