Size is the total space the file occupies. Data Fork and Res Fork give the space used by the forks of the file, which contain the file's raw data and a database used by applications, respectively. All fields give two numbers. "On disk" is the physical space used. "Bytes used" is the literal amount of data.

The item's location is shown in the Where field. Click the path to show a menu listing the file and its parent folders. Choose an item to display it in the Finder. Use the Move toolbar button or the File Move… command to move a file.

If the item has any version data, it is shown in the Version Information field. Use the Actions button to edit this information.

A short label describing the kind of file being viewed is displayed below the file’s name.