Final answer:
Mentoring is a type of informal training where new employees learn from experienced employees by observing and working alongside them.
Step-by-step explanation:
Mentoring is a form of informal training in which an experienced employee guides the work of a new employee. This type of training involves assigning new employees to experienced employees, who they learn from by observing and eventually working alongside them. Through mentoring, new employees gain knowledge and skills by watching and emulating the actions of experienced employees.