It is the measure of the length and width visible on the film. If cuts are done, it is possible to have a third dimension for depth.
Measurements: 34B-26-38
38 D
38-25-36
An 8 or a 10
38-30-40 38 Busty 30 Waist 40 Hips
38-25-36
38 D 26 36
38 44
38 cm
38 kg
38 24 57
38c, 24waist, 38 hips