Learn how to modify a photo's focal point and direct the viewer's attention using light. Here we cover the use of the lasso tool, curves
Adjustment layers apply color and tone adjustment to your photo non destructively. This means that rather than making an adjustment directly to your photo, you can create a separate layer that will make those adjustments, leaving your original photo untouched.
A layer mask is used to hide portions of a layer and reveal portions of whatever layer is below it. You can modify the mask by using the brush tool and painting in either black or white.
layer mask, and gaussian blur filter to create this effect.