When you select this mode, you can select entities only from a single view of the drawing sheet where the origin has been set.

The coordinates (X, Y) are relative to the selected origin. This origin can be a sketch point, a vertex, a circular edge (in which case the Xc and Yc coordinates of the center are used), or the center of a circle or arc.

In this mode, any selection (2D or 3D) of coordinates to be extracted can be used (see "Selection Options"). These entities are projected onto a plane parallel to the sheet; there is no Z-axis.