When the Brush Tool is active, the (found at the bottom of the workspace) allows you to customize its behavior: Size : Adjust the width of the brush in pixels.
: Change the blending mode to dictate how your color interacts with the layers beneath. Photoshop Elements 12 Brushes
: Control the transparency of your strokes; a lower percentage makes the stroke more see-through. When the Brush Tool is active, the (found