with the layers panel open on the right side. Press and hold SHIFT - CLICK AND HOLD left mouse key move layer up of down to your required location
Double click its thumbnail in Layers palette or go to Layer > Layer Style > Color Overlay.
F7 to show/hide LAYERS palette.
Prior to CS4, panels were referred to as palettes. A panel or palette is a box (usually located on the right hand side of the screen, but moveable) that allows you to change options associated with a Photoshop feature. For example, the layers panel or palette is used to manipulate layers; the character panel or palette is used to manipulate text.
drag the layer you want on top above of the layer you want below on the layers palette
drag the layer you want on top above of the layer you want below on the layers palette
It is palette where are stored all layers you have in document, on this palette you have options to change opacity of layer (right upper corner of palette, slider opacity) or layer blending option (left upper corner - drop down list) at bottom of palette you have more options through small icons like add drop shadow, make new layer, group layers to organize them or delete layer pressing wastebasket icon.
a layer pallete its area of ur objets
You can save thumbnail preview with image in Save or Save As dialog. Thumbnails in LAYERS palette you can choose thumbnail options from LAYERS panel options (top right corner of LAYERS palette > Panel Options).
opacity slider on layers palette
Select that layer (click on it on LAYERS palette) where is something You want to add glow effect then click on fx at bottom of LAYERS palette and choose Outer glow effect (or Inner).
Select layer You want to transform (click on it at LAYERS palette) then press Ctrl + T.
It is to make one composite layer from multiple layers. It is like having coffee, milk and sugar separate then you mix them (put them together in cup). Note that you don't have access to change amount of coffee or sugar separate as it is with merged layers.