密码锁

• 宓(quiet; hidden)PHONETIC
• 山(mountain (pictograph))ASSOCIATIVE

A secluded place like a mountain surrounded and concealed hides all secrets.

• 石(stone; rock)RADICAL
• 马(horse)PHONETIC

A mark carved in stone serves as a distinguishing sign.

• 釒(metal)RADICAL
• ⺌(small; tiny)ASSOCIATIVE
• 貝(shell; currency)ASSOCIATIVE

A metal padlock has small chain links like clam shells connected together.