Common loanword used for a subject of discussion, conversation, or writing.
今日の会議のトピックは何ですか。
What is the topic of today's meeting?
彼はいつも面白いトピックを選ぶ。
He always picks interesting topics.
Let's make environmental issues today's topic.
We talked about the topic of the future of AI.
The topic changed partway through the meeting.
It took time to choose a topic for the presentation.