• Create a mask to remove a subject from a background.
• Refine a mask to include complex edges.
• Create a quick mask to make changes to a selected area.
• Edit a mask using the Properties panel.
• Manipulate an image using Puppet Warp.
• Save a selection as an alpha channel.
• View a mask using the Channels panel.
• Load a channel as a selection.
• Isolate a channel to make specific image changes.