舞 is used in: 跳舞 (to dance), 舞蹈 (dance as an art), 舞台 (stage), 舞会 (ball/dance party). 跳舞 is the everyday word for dancing.
culture
广场舞 (guǎngchǎng wǔ, square dancing) is a massive social phenomenon in China — groups of mostly older women dance together in public squares every evening.