<entry index='v'>
<name>Variable</name>
<reference>local variable</reference>
<reference>global variable</reference>
<reference>instance variable</reference>
<reference>object</reference>
<reference>constant</reference>
<content>
    A tag attached to an ((object|Object)).

    ((Ruby)) has ((global|Global Variable)), ((local|Local Variable)),
    class, and ((instance|Instance Variable)) variables.
    ((Constant)) has the same implication of tag, though
    it's not variable, since its value cannot be changed.
</content>
</entry>
