The # Strings is normally set to 1 and the Lights/String denotes the total number of nodes on the model. The # of Points describes the points of the star and the startling location indicates where the first node is and which direction it progressive.
Starting Location is where the string start location is set to begin.
Outer to Inner Ratio describes the "wideness" of star points.
The Layers attribute value describe the concentric layers in the star. This will create node count settings for each layer. The sum of the node counts must add up to the number of nodes in the model.