homework; assignment; task; classwork; lesson; study; CL:門|门[men2]
功 (gōng) · 5 strokes
Phonosemantic compound. 力 represents the meaning and 工 represents the sound.
课 (kè) · 10 strokes
Phonosemantic compound. 讠 represents the meaning and 果 represents the sound. Simplified form of 課.