A calendar in the background of the Gantt chart shows non-working times in grey, working times in white.
Each operation of a Production Order is represented by a bar, the color of which depending on the belonging order's category. The bars of the operations are colored during working times and white during non-working times.
Categories in the Capacity View are distinguished by the same colors as in the Production Order View.
Links between operations are shown after having clicked one operation of the according production order.
In the VPS, you can show a capacity curve in the Resource View, to see free and exceeded capacities, a red box indicating an overload.