You can view all the information available about an individual item from the Item Properties dialog. This view is helpful when you want additional information, but don’t want to include it in any of the Gallery views. You can also edit the item’s keywords, description, and Custom Fields from the Item Properties dialog.
To view Item Properties:
Select the item, then choose “Item Properties...” from the Item menu.
— or —
Select the item, then press Command+I (Mac OS) or Alt+Enter (Windows).
You can have up to ten “Item Properties” dialog boxes open at one time.