Discussion or argument — exchanging opinions or debating a topic, which may include dispute or controversy.
その問題について長時間にわたり議論が行われた。
There was a long discussion about that issue.
冷静に議論すれば解決の糸口が見つかるかもしれない。
If you discuss it calmly, you might find a way to resolve it.
SNS上で激しい議論が巻き起こった。
A heated debate broke out on social media.