• 会議かいぎ — meeting / conference
• 議論ぎろん — argument / debate
• 議会ぎかい — assembly / parliament
• 議員ぎいん — member of assembly
• 協議きょうぎ — consultation / discussion
• 討議とうぎ — debate / discussion

“議” appears frequently in government, business, and formal settings. It conveys not only "talking" but also deep thinking, weighing ideas, and reaching consensus. The radical 言 shows its connection to words and communication.

彼かれは 市議会しぎかいの 議員ぎいんです。
He is a member of the city council.

この問題もんだいについて 議論ぎろんしましょう。
Let’s discuss this issue.