云 has the meaning "fog" only in Chinese. This original meaning is still visible in: cloud 雲. In Japanese it has the meaning to say/speak. For "fog" itself the character: 霧 (MU, kiri) is used.
Tip: Go to the radicals that are contained in this character and learn all the characters with this radical systematically!
Vocabulary
芸者
げいしゃ
geisha, Japanese singing and dancing girl
7114
園芸
えんげい
horticulture, gardening
1574
学芸
がくげい
arts and sciences, liberal arts
1939
工芸
こうげい
industrial arts
2201
手芸
しゅげい
handicrafts
2761
文芸
ぶんげい
literature, art and literature, belles-lettres
3103
芸能
げいのう
public entertainment, accomplishments, attainments
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