The dialog box shows the available options. As the dialog box in figure 1 hints, it also creates a variety of circular features complete with centerlines. You use the bottom row of buttons to create centerlines on existing objects, while the top row creates the circular objects as well as the centerlines. I created the array of circles and all centerlines in figure 1 in a few seconds with one run of a single command. You can specify the diameters for the circular objects, or you can use dialog boxes to pick from a variety of holes, slots, and standard Imperial and metric thread sizes.
Holes can include standard fits and clearances designations.
When you finish, the List command shows the circles and centerlines to be separate entities, but if you double-click on one, power edit comes into play. The software leads you through a series of prompts and dialog boxes with which you can change any part of the specification, including quantities, sizes, and types of objects. When you finish, everything updates. Hey, that sounds a lot like a simple form of parametric design. The hatching automatically ends up on its own layer.