to find out; to learn of
得 (dé) · 11 strokes
Depicts a hand (寸) grabbing a shell (貝), used as currency in ancient China, to convey the meaning "get". Originally written as 㝵. The 彳 (movement) component was added later.
知 (zhī) · 8 strokes
Phonosemantic compound. 口 represents the meaning and 矢 represents the sound.