What does culture emphasize when it is discussed in its narrow sense?

How to define“common core”in English?

Define a proverb and illustrate how proverbs are related to culture, by referring to the following sentences.

(1) Man propose, God disposes. 谋事在人，成事在天。

(2) 平时不烧香，临时抱佛脚。

your age (translate it into Chinese honourifics)

to miss the boat

Carry coals to Newcastle.

black tea

请别挂，我看看他在不在。(电话用语)

What functions do nonverbal messages have in human communication?

他浑身哆嗦，脸色苍白，步履缓慢，好像一动就疼痛。

What does culture emphasize when it is discussed in its narrow sense?