Photoshop :: Isolate Layer And Then Press P To Shows Full Preview Of All Layers

1-if i select any  selection tools( marquee or lasso or any )and then select or draw on any layer (including image also ) and  then right click it wil shows to select linear or radial or  path  and add to shows no of copies and distance and scale input box  in  properties bar.
 
2- if i right click to select invert selection on selected image or layer  and then right click it will shows to select linear or radial or  path  and add to shows no of copies and distance and scale input box in  properties bar.and if i create radial copies,it will shows additionally  inward and outward direction input box  in properties bar.
 
3- if we select eyedropper tool using alt key and press + ability to select inner and outer ring color with feather value.
 
4- if we select isolate layer  and then press p to shows full preview of all layers.