The controls of the window are:
Object Icon Array: Shows the object files of the selected folder. You can perform the following actions with it:
Double clicking a preview icon on the object browse window inserts it in the current library.
Drag and dropping an object icon from the browse window into the select window loads the object.
Drag and dropping an object icon to a view window loads the object and translates it to match the current mouse position.
Drag and dropping a object from the select window to the icon array area saves the object to a disk file using object's name as the file name.