ToolTip
    - The tooltip or hint, is used in conjunction with a cursor, usually a pointer.Tool Tip 
- Click the [ ] icon to select column from the drop-down list. ToolTip - Select Column ] icon to select column from the drop-down list. ToolTip - Select Column 
- Aggregations can be performed using tooltips.ToolTip - Aggregation 
- When the mouse pointer hovers over an item, a tooltip displays information.ToolTip with Aggregation 
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