Chapter 3

3.8) Interlacing - It creates a rough image preview at the beginning of the download process.
     Tolerance - The Tolerance setting determines the range of colors Photoshop will select.
     Image slicing - It creates smaller images from an original larger image by separating into pieces.
     Matte - A matte color optimimizes the effect of transparency by blending the transparent edge pixels with
             the color so that he graphic blends into the page.
     Filters - They alter the apperence oof a slelection or an entrie raster layer by applying uniform changes
               to every pixel.
     Web-Safe palette -  restrict color selection to 216 colors.
     Feathering - It blurs the edges of selections such that the pixels inside the selections will blend with the the pixels 
                  outside the selections.