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 Area de Modelado
El área de modelado es el espacio donde se permite ingresar, modificar o eliminar valores de las listas.

Operations on Values
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 Allows adding each entered value to the list of values.
•Double click: Allows to modify a value in the list.
•Move: Allows to change the position of a value within the list by dragging the value with the mouse.
Hovering the cursor over each of the values entered, a set of icons is displayed and this allows to perform different operations.
•
 Allows to delete a value from the list of values. Once deleted, it is displayed in gray and crossed out.
•
 Allows to restore a previously deleted value. 
Display the Selected Line
•
  Hides the icons that are displayed.
•
  Shows hidden icons.