Each widget placed on the Report Builder’s canvas has a Name. Default Widget Name is auto-generated by the System based on Widget type.
Usage of Widget Name
Widgets can be referenced by their name, for instance, while using a data source of a given widget by another widget. Therefore, it’s recommended to change the default Widget Name to some meaningful custom name that represents the nature/purpose of a widget.
Reusing other Widget’s Data ('Temp' is Widget Name)