Toolbar contains 6 export buttons:

• Save,
• Save All,
• Save as JPG,
• Save as PNG,
• Save as TIF, and
• Save as ICNS,

which export the images contained in the preview area to the destination folder, and also 4 image effects buttons

• Image Effects,
• Rotate,
• Flip Horzontally, and
• Flip Vertically,

and, the Show Export Folder button, which reveals the export folder in Finder.