Translations:Tutorial for open windows/50/en

From FreeCAD Documentation

18. Select Window, and change the property DataSymbol Elevation to true; the tip of the created wire indicates which side of the window opens; this is easier to see if the viewport changes to left side view. Change the property DataSymbol Plan to true; a circular arc should indicate the extent of the window's swing; this is easier to see if the viewport changes to top view.