指北针

• 扌(hand; arm)RADICAL
• 旨(meaning; delicious)PHONO-SEMANTIC

Use your hand to point at what you want to say.

• ⼔(person turning back; figure of person from behind)ASSOCIATIVE

Two people standing back-to-back represent North, the direction ancients faced away from.

• 釒(metal)RADICAL
• 十(ten)PHONETIC

A sewing needle is a thin, straight metal object like the number ten.