To create an ellipse, you can use Ctr/Pnt/Ang, Pnt/Pnt/Ang, Ctr/Pnt/Pnt, and 3 Points. When you use Ctr/Pnt/Ang and Pnt/Pnt/Ang, specify a rotation angle about the major axis. The angle represents what you see of a circle after it is rotated; the more it rotates it, the less you see of it.