종횡[jong-hoing] means perpendicular and horizontal in Korean.
Especially the origin of that word is in Chinese character. So sometimes I couldn't catch that means because in my brain, It couldn't cognized
between 종횡 and 가로 세로.([garo-sero] also means perpendicular and horizontal in Pure Korean words.)
When I read a book about which doctor's autobiography, I came up with an image.
