Definition
the subjects or scope that a study or report focuses on
（研究或報告中的）討論範疇
The terms of reference for this report clearly define the scope of the study.
這份報告的討論範疇明確界定了研究的範圍。
At the meeting, we should first establish our terms of reference for the discussion.
在會議上，我們應該首先確定討論的範疇。
The research group's terms of reference include environmental impacts and socio-economic factors.
研究小組的討論範疇包括環境影響和社會經濟因素。