Usually, your model consists of several objects that are displayed on the screen. There are certain variables that are assigned to these objects, e.g. component specification values or results.
In addition, you can define "variables" that are independent of a specific object and are assigned to the model. They can be numbers or strings, and even arrays. Such variables can be helpful in EbsScript calculations or in text fields.
There are two types of variables:
Variables are defined by the command menu Extras->Model-Optionss, sheet Profile-Variables and Model-Variables.