1.Set creation

-first select the points that you want to be in grouped in a set.

-then, choose create->sets->quick select sets... name your set something fitting. You have now created a set of points that you can refer to at any time. To reselect a set you can now go to edit->quick select sets. All of you quick select sets in you scene will show up in this list. Highlight one to select it.

2.Set editing

-to edit a set that you have created go to windows->relationship editors->sets This will list all of your sets and through the edit menu option you can easily add sets,delete sets, add points to a set, or remove points from a set. The graphic below shows the sets window as well as the quick select sets option on the right.