Informal Talk
Friendly Talk
noun, verbal noun
A courteous talk is an informal talk where people gather and discuss something in a friendly way.
懇談 is often used for parent-teacher meetings or community meetings. It's an informal but courteous talk, usually between acquaintances rather than close friends.
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own.
授業参観日の先生との懇談の間、彼女はずっとハンカチを握りしめてていました。
She was tightly clutching her handkerchief throughout the friendly talk with the teacher on parent’s day.