This is the 21st most frequent Korean word.
가장
"가장" means "most" or "best" in English.
'가장' here functions as a superlative adverb, meaning 'most', used to emphasize 'easy' as the highest degree.
이것은 가장 쉬운 문제입니다.
This is the easiest question.
'가장' is used to indicate the highest degree in performance or capability when referring to reading.
우리는 밤에 가장 잘 읽을 수 있습니다.
We can read best at night.
'가장' here means 'favorite' or 'most liked', implying preference or the most pleasing.