On the pattern you will notice both numbers and letters. The numbers are the order in which you will sew your fabric. The letters are your fabric guide. For my example I will be using 4 colors: Letter A will be for my middle star points and will be pieced in area 1 on units 1 and 3 as well as area 4 on units 2 and 4. Letter B will be for my center star points or the smallest star. It will be used only in area 2 on units 1 and 3. Letter C is for the largest star points and will be used only in area 1 on units 2 and 4. Letter D will be my background color and will be used in areas 2 and 3 on units 2 and 4. This will all make more sense as you look at the pattern.