Learner's definition of ORIENTATION
2 : a main interest, quality, or goal
3 : the process of giving people training and information about a new job, situation, etc.
These materials are used for the orientation of new employees.
an orientation meeting/session
The weekend before the semester begins is the freshman orientation period. [=the time when new students start to become familiar with a college]
4 [count] : the position or direction of something