Apple Logic Pro 7 (TDM Guide) - Manual (Page 47)

Glossary 47
Track List Situated to the left of the Arrange window’s working area. Displays the
Objects assigned to various tracks as well as the Track buttons.
window class Status of the window as a float window or a normal window. Float
windows always “float” in the foreground and can not be hidden by normal windows.
Also see float window.
word length See bit depth.