Type your project name here.Units
This is what type of unit you wish to use when defining the size of the new image in this dialog.Width and Height
Specify the width and height in your chosen units here.Pixels Per Unit
Specify the resolution, how many pixels will fit in your chosen unit, of your new image here.Background
Here you can specify whether you want the image to have a transparent background, or a background of the current Fill Color as the background. You can change the fill color now if you would like a different color than the current one.Background Transparency
If you have selected to use a background color, this will let you adjust its transparency level.