讲解员

• 言(word; speech)RADICAL
• 冓(structure; join together)PHONETIC

Speaking words that link ideas together is what it means to explain.

• 角(horn (animal))RADICAL
• 刀(blade; knife edge)ASSOCIATIVE
• 牛(cow; cattle)ASSOCIATIVE

Use a knife to separate horns from an ox — that's the meaning of "resolve" (to take apart, to decompose).

• 口(mouth; opening)RADICAL
• 贝(shell; money)ASSOCIATIVE

A person in an organization uses their mouth to discuss money matters.