This is a palette that is used to apply a special effect to a selected object.
[Thumbnail Size] combo box
Used to specify the size of the image displayed on the palette.
[Preview] button
When you click this button, the state that would be produced by applying the effect is displayed on the palette.
[Apply] button
When you click this button, the selected effect is actually applied. As the degree of the effect, the default setting is used.
[Options] button
When you click this button, the dialog for adjusting the selected effect is displayed.