The Impostazioni PNG / PSD settings dialog box appears when you press the PSD Impostazioni ... / settings... button on the Salva immagine con nome / Save Image As dialog box. It lets you control attributes of the PSD image file.
Ritaglio piani in immagini abbinate / Crop layers to image bounds
No ritaglio piani / Do not crop layers
Controls whether the Photoshop layer images are cropped to the
image boundaries. For more information, refer to “PSD image file format” in
this chapter.