Correct

要旨

/ yàozhǐ / 
Strokes

Definition

the gist (of a text or argument)/the main points

Example

As a Noun

main idea; gist

1
Běnshū
本书
yàozhǐ
要旨
yǐ
已
jiàn
见
xùlùn
绪论
  
。

The main idea of the book has already been stated in the introduction.

2
Jiǎnghuà
讲话
yàozhǐ
要旨

gist of a speech

3
Chénggōng
成功
de
的
yàozhǐ
要旨

keystone of success