Show kind
To show the kind, in addition to the name, of the item in the current item name bar, check this box.
Show file type
To show the file type and creator code, in addition to the name, of the item in the current item name bar, check this box.
This is useful to programmers and people who like to memorise file types and creator codes for fun...
Show notes
To show the item notes, where available, in the current item name bar instead of the name, check this box.
Show URL
To draw the URL of a dock item in the current item name bar, rather than its name, check this box.
Show icon
To show the icon at the left hand side of the current item name bars in the docks, check this box.
Hiding the icon speeds up the name bars a bit, but doesn't look as nice.