The image style_item_prod_struc90.png is a graphic titled style item product structure. The process flow on the left side of the graphic depicts Styles. Down arrow. Colors. Down arrow. Sizes. The right side of the process flow depicts 50 (styles) within a collection. X (to represent multiple). 4 (colors) per style. X. 8 (sizes) per style. Equals 1600 child items.