a talk that is between two or more people and they tell each other about different things like feelings, ideas, and thoughts

会話 (かいわ), 対話 (たいわ)
the act of talking to someone on the phone or an attempt to reach someone through a phone

電話, コール
a discussion, typically a serious one, between two or more people with different views

議論 (ぎろん), 主張 (しゅちょう)
an act or process of talking and sharing ideas in order to reach a decision or conclusion

話し合い, 討論
letters and packages sent and delivered by post

郵便, メール
to send a letter or package by post

郵送する, 送付する
to talk about something with someone, often in a formal manner

議論する, 話し合う
to be given something or to accept something that is sent

受け取る (うけとる), 受け入れる (うけいれる)
to hold the same opinion as another person about something

同意する, 賛成する
to hold or give a different opinion about something

意見を異にする (いけんをことにする), 反対する (はんたいする)
the act of putting an idea or plan forward for someone to think about

提案(ていあん), 示唆(しさ)
a brief informal written message

メモ, ノート
used to express a strong feeling of surprise, wonder, admiration, or amazement

わお!, うわ!
