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    Functions Menu Select:

    get point = position of cursor on construction-plane
      The next selection provides the position of the cursor
      at the construction-plane.

    get point = (parametric) position of cursor on object
      The next selection provides the parametric position at the
      selected object.

      If eg the startpoint of a line gets selected:
      P(L20 MOD(1))

    get line = segment of polygon / contour
      The next selection provides a line.
      The line is extracted from the selected polygon or contour.

      The selection of the second segment of a polygon provides:
      L(S20 MOD(2))