ADJ [ADJ n]包羅萬象的;影響一切的 You use overarching to indicate that you are talking about something that includes or affects everything or everyone. 包羅萬象的;影響一切的 [formal]
The overarching question seems to be what happens when the US pulls out?.
首要的問題看來在於美國撤軍後事態將會如何。
Home ownership has been an overarching and innate desire of the British.