원인(won-in, wonin)
The reason or fundamental motive that caused something to happen
When to use
Negative event reason, Cause of a problem, Explanation of past motive
The nuance
원인 refers to the starting point of an event or phenomenon, always linked to past or present circumstances. It is often used for negative events.
과정(gwa-jeong, gwajeong)
The stages or flow of an event or task, continuous movement of change
When to use
Step-by-step progress explanation, Emphasis on temporal change, Description of workflow
The nuance
과정 means the stages an event or task goes through from start to finish, emphasizing temporal flow and change.
결과(gyeol-gwa, gyeolgwa)
The state or effect that appears after an event or action ends
When to use
Expressing final state, Effect after action, Drawing conclusion
The nuance
결과 refers to the effect or state appearing at the end of an event or action, the final point reached after cause and process.