舞台 (wǔtái) is a noun meaning "stage," referring to the platform where performances take place. It can also be used figuratively to mean "arena" or "platform" in a broader sense, such as the world stage (世界舞台). It combines 舞 (dance) and 台 (platform).
她从小就梦想站在舞台上唱歌。
Tā cóngxiǎo jiù mèngxiǎng zhàn zài wǔtái shàng chànggē.
She has dreamed of singing on stage since she was little.
这个舞台的灯光效果非常专业。
Zhège wǔtái de dēngguāng xiàoguǒ fēicháng zhuānyè.
The lighting effects on this stage are very professional.
中国正在走上世界舞台的中心。
Zhōngguó zhèngzài zǒu shàng shìjiè wǔtái de zhōngxīn.
China is stepping onto the center of the world stage.