The widgets tab in the Properties pane provides a list of form widgets and their hierarchy. Each widget is presented within the hierarchy beside other widgets being on the same level (the same parent container). Child widgets (inside containers) are presented using indented names.
Each widget has displayed its name and type. The type has also an icon displayed - the same as the one displayed on the toolbar used while form designing is performed.
|* Changing the current selection on the list causes appropriate selection on the designed form. This allows for easier widget lookup by name and easier navigation. For example, it is possible to select a widget by name, and then switch to the tab to change the widget's properties.
Giving widgets reasonable names can be useful but is not mandatory. Note that widget's name is a property that is not visible to the user of your form. Users will only see a widget text, provided by Text property or similar.