When you add a widget list item to the filter or exclude an item, the data on the page is automatically refreshed.
To include an item in query results, click the box at the end of the row and select Add to a Query.
The item is added to the filter definition.
To exclude an item from query results, click the box at the end of a row and select Add to a Query (exclude).
The item added to the filter definition as an exclusion (preceded by a minus sign).