
The Fade command can be used on a single layer, a selection, or an
entire image. To work on a layer, choose that layer from the Layers
palette before applying the filter and working with Edit>Fade. To use it
on a selection, make the selection, apply the filter, and then use the Fade
command to edit the selection. The Fade command can only be used
immediately after applying a filter, eraser, painting tool, or color
adjustment.
Blending Modes
A layer’s blending mode determines how the layer’s colored pixels will
mix (relate) with the underlying pixels in the image. By default, there is
no blending of layers, but by choosing and applying a blending mode, ...