功夫片 specifically denotes martial-arts action films (think Bruce Lee, Jackie Chan, Jet Li). Related but distinct:
武侠片 (wǔxiápiàn, 'wuxia film' — sword/wire-fu fantasy with chivalric heroes, e.g. 《
卧虎藏龙》). The -
片 (piàn) suffix builds film genres:
动作片 (action),
喜剧片 (comedy),
恐怖片 (horror).