This is the 1885th most frequent Japanese word.
界
"界" means "world", "boundary", or "realm" in English.
Here, "界" is used as "world" or "domain," referring to a specific area of knowledge.
科学の世界は興味深いです。
The world of science is fascinating.
In this context, "界" refers to "the field" or "realm," specifically the field of arts.
彼は芸術界で有名な人です。
He is a famous person in the art world.
"界" is used here to signify "realm," indicating the domain of information technology.