‘帷幕’ literally combines 帷 (wéi), meaning a hanging fabric screen or drape, and 幕 (mù), meaning curtain or cover—both characters evoke layered, movable textile barriers. Together, they refer to a physical curtain, especially one used on stage, in theaters, or at ceremonial venues. Unlike the simpler word 窗帘 (chuānglián, 'window curtain'), 帷幕 carries a formal, often dramatic or symbolic weight.

It’s frequently used metaphorically to signify the beginning or end of an important phase—e.g., ‘拉开帷幕’ (to draw back the curtain) means ‘to launch’ or ‘to inaugurate’ an event or era. You’ll encounter it in news reports, historical narratives, and literary descriptions where atmosphere, transition, or solemnity matters. Though it can refer to any large curtain, it rarely describes everyday household curtains—those are more commonly called 窗帘 or 布帘.