Cutting on the Fold - Design

Cutting on the fold is where you fold the fabric you are using and draw around the pattern with the straight edge of the pattern against the fold. When you then cut this pattern out and unfold the fabric you have a shape twice the width of the pattern.
S.A. is Seam Allowance which is usually 1.5cm.
H.A. is Hem Allowance which is usually 5cm.
Z.A. is Zip Allowance which is usually 3cm.
C.F. is centre fold and C.B. is centre back.