ボール 공 球
Blanket term for any (usually) spherical object, especially one that has ambiguous use or is merely present in the image.

h4. See also

* "*_ball":[/wiki_pages?page=1&search%5Bis_deleted%5D=false&search%5Btag%5D%5Bcategory%5D=0&search%5Btitle_normalize%5D=%2A_ball]
* [[orb]]
ball