This is the Apple menu. In addition to having the standard Macintosh Apple menu items, it also has an 'About FreeStyle' item that tells you what version of FreeStyle you are running.
Provides information about this version of FreeStyle.
Clef menu item
Choose a clef for the player from this pop-up menu. The clef will be used in the notation view.
The treble clef is used for instuments with a high note range.
The bass clef is used for instuments with a low note range.
This is a grand staff, which is customarily used for piano and other keyboard instruments.
The alto clef is used for Viola and other instruments with a medium-high range.
The tenor clef is used for Tenor singers and other instruments with a medium-low range.