Main Tab
Name - The name of your graph item, you cannot leave it empty.
Object - By clicking on the 
button, the Select Object Dialog will appear. From here, you can select the object from which you want to import your data to the graph.
Filter - By clicking on the button, the Select Filter Dialog will appear. From here, you can choose or create a filter which is going to filter your data from your selected object.
Show marks - If you enable this feature, the values will appear on the bars as well.
Visible - If you do not mark this feature, your graph will be invisible.
Bar color - By clicking on the button, the Color Dialog will appear with the help of which you can choose a color for the bars of your graph.
Max bar count - You can specify how many of the top values you want to see on the graph.