This is the 10208th most frequent Korean word.
관행이라고도
"Also called a practice or custom."
The term '관행이라고도' is used here to indicate that the behaviors are considered conventions in a societal context.
이러한 행동은 종종 사회적 관행이라고도 불립니다.
Such behaviors are often referred to as social conventions.
In this sentence, '관행이라고도' is used to show that the regulation may be regarded in general practice or custom.
그들은 이 규정을 관행이라고도 여긴다.
They also consider this regulation as a convention.
Here, '관행이라고도' emphasizes that this specific method is recognized as a conventional one.