• Data Sources can be used to add a master data in the system and then use it as a filter, a grouping or any other way of displaying the data
  
• Go in Configuration→Datasources and Create new list at the bottom of the screen. You can also copy an existing one. Click on Edit to add/remove any label. Different levels of data can be managed.

• You can use the Download/Upload functionality to update
• You can use this list in a field, by choosing the new data source in "List"