The Japanese kanji symbol "囲 (い-i or かこ-kako)" means "enclose or enclosure". Here are some Japanese kanji words in which the kanji character "囲" is contained.
囲碁 (いご-igo) is a kind of game which is played by two players using white and black marble stones. This game is pretty popular in Japan and China. We say "碁を打つ-go wo utsu" for playing 囲碁.
囲炉裏 (いろり-irori) is a kind of Japanese style fireplace which is not popular nowadays. But some old houses, they still have 囲炉裏 for heating or cooking purposes in their home.
周囲 (しゅうい-shuui) means surroundings.
範囲 (はんい-hani) means limit or range.