This indicates an image loaded by the inbuilt skin system

This indicates a custom image loaded by the user to be used in a custom style

This indicates an image designed to be used as an icon overlay on the touchscreen

This indicates an image intended to be used as a background for the floor plan or touch page

This indicates an image intended to be used as a prop for the floor plan

This indicates an image intended to be used as a payment type icon

This indicates an image intended to be used as a group/main group icon

This indicates an image intended to be used as an adjustment icon

This indicates an image intended to be used as a correction shortcut icon

This indicates an image intended to be used as a PLU image

This indicates an image that can be used for anything (ie it sets all bits)