题外话

• 是(be; correct)PHONETIC
• 頁(page; head)RADICAL

A heading is the top part of a page that clearly states what the content is about.

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

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

• 言(speech; words)RADICAL
• 舌(blade; tongue)PHONO-SEMANTIC

Speech is what is created from the tongue.