Coordinates, Area, Volume, Length in the Multileader.
Works with objects of the following types:
Coordinates - where you point
Area - POLYLINE, 3D POLYLINE, CIRCLE, ELLIPSE, SPLINE, AREA, HATCHING, SURFACE, NURB-SURFACE, 3D BODY, NETWORK, 3DFACE
Volume - a 3D object
Length - LINE, POLYLINE, 3D POLYLINE, SPLINE, CIRCLE, ARC, ELLIPSE, REGION
Length and Width - POLYLINE, 3D POLYLINE (condition: rectangle object)