外侧裂

• 夕(evening; crescent moon (pictographic))RADICAL
• 卜(divination; fortune-telling)PHONETIC

Evening outside divining fortunes under the moon — that's an external affair.

• 亻(person; man)RADICAL
• 则(rule; law)PHONO-SEMANTIC

A person standing tilted to one side while following the rules represents the side or flank.

• 列(row; line up)PHONETIC
• 衣(garment; cloth)RADICAL

Cloth from clothing torn into strips arranged in rows shows how things split apart.