You may exclude some elements and/or their names from the presentation diagram while still keeping them in the model.
To hide/show the element name
on a presentation diagram
Select the model element in the graphical editor or in the Projects view.
To hide/show the element at the model runtime
Select the model element in the graphical editor or in the Projects view.
In the element properties (or in the Advanced section), select yes/no for the Visible option.
You may temporarily exclude any element from the model. This option is very useful for debugging your model since you can adjust your model structure by excluding one element and including other ones at the design time. The excluded elements are still present on the graphical editor diagram, and can be added back to the model any time you need.
To exclude/add the model element from/to the model
Select the model element in a graphical editor or in the Projects view.
In the element properties, clear/check the Ignore check box.