Immediate cause refers to the direct factor or event that leads to a particular outcome or effect, often seen as the last link in a chain of causation. It is the most recent or proximate reason that triggers a specific result, distinguishing it from underlying or root causes that may have contributed to the situation over a longer period. For example, in a car accident, the immediate cause could be a driver running a red light, while broader factors like road conditions or driver fatigue may be considered underlying causes. Understanding immediate causes is essential for effective problem-solving and intervention.