HSK C7-9
Correct

恒

/ héng / 
Strokes

Definition

permanent/constant/fixed/usual/ordinary/rule (old)/one of the 64 hexagrams of the Book of Changes (䷟)

Example

As an Adjective
permanent; lasting; perpetual; perdurable
As a Noun
perseverance; persistence; constancy
As an Adjective
constant; common; usual