In Microsoft Visio 2016, "generating a piece" typically refers to creating a part or assembly drawing using specific engineering templates. Steps to Generate a Part or Assembly Drawing
Use the Shape Data window (View > Task Panes > Shape Data) to add custom fields to any shape (e.g., cost, weight, date). These fields can be exported to Excel. visio 2016
Visio 2016: The Diagrammer That Refused to Die In Microsoft Visio 2016 , "generating a piece"
Uses of Microsoft Visio 2016
C. Touch Support Optimized for touch devices (tablets and touch-screen laptops). Users can zoom, pan, and manipulate shapes using touch gestures, making it viable for fieldwork or conference room presentations. In Microsoft Visio 2016