There are two basic types of modifications:
Tip:
Make all necessary structure modifications before display modifications.
Structure Modifications
Adding and removing objects affect the structure of the installation. Any modifications on structure have bearing on other contexts, eg:
Structure modifications are performed in the Installation Tree window.
With structure modifications follow Connections.
Display Modifications
Display modifications do not affect other contexts as structure modifications do. Display modifications include:
Display modifications are performed in the Main window under menu Display.