You can create four types of variables in Illustrator: Graph Data, Linked File, Text String, and Visibility. A variable’s type indicates which object attributes are changeable (dynamic).
Create a Visibility variable
Select the objects that you want
to show or hide and click the Make Visibility Dynamic button
in
the Variables panel.
Create a Text String variable
Create a Linked File variable
Create a Graph Data variable
Create a variable without binding it to an object