HSK C5/W3
Correct

/ gāng /
Strokes

Definition

head rope of a fishing net/guiding principle/key link/class (taxonomy)/outline/program

Example

As a Noun

headrope of a fishing net

As a Noun

key link; guiding principle; outline; programme

As a Noun

class

As a Noun

organization for transporting certain goods in large quantities under convoy