国家图书馆

• 囗(surround; enclose)RADICAL
• 玉(precious jade; gem)ASSOCIATIVE

A nation is enclosed land that contains precious treasures within.

• 亻(person; human)RADICAL
• 家(family; household)PHONO-SEMANTIC

A person who specializes in making furniture is called a carpenter (house craftsman).

• 囗(surround; square frame)RADICAL
• 冬(winter)PHONETIC

A map is a frame enclosing all regions of land, and when read closely sounds like "dong" (winter).

• 聿(writing brush; pen)ASSOCIATIVE
• 曰(speech; mouth)ASSOCIATIVE

A book is spoken words recorded by a pen onto characters.