Eraser is a secure data removal tool for Windows. It completely removes sensitive data from your hard drive by overwriting it several times with carefully selected patterns.
One who, or that which, erases; esp., a sharp instrument or a piece of rubber used to erase writings, drawings, etc.
This tool is used to change the current colour of piels to the background colour.
A tool available from the Tool Palette that uses the bottom Active Color (right button) to remove unwanted color. Tool Palette button= the eraser end of a pencil.