The term 'Goes Off Course' can be described by a variety of words, such as drifts, DEVIATES, STRAYS, YAWS, veers, ERRS, and derails. To drift means to move slowly in a particular direction, often without any control or purpose. To deviate is to move away from the expected path or course. To stray is to wander away from the right path or course. To yaw is to turn or swerve off course. To veer is to suddenly change direction. To err is to make a mistake or do something wrong. To derail is to cause something to go off track or course. All of these words describe the same concept of going off course.