By default, elevation marks point straight at your model. The result is a completely face-on view when you display the resulting elevation view. If you rotate an elevation mark, you change the target of the elevation. This focuses the view on a different part of your design when you display the elevation view.
To change the target of an elevation:
Make sure your elevation marks are turned on. How to
In 2D plan view, select the mark whose target you want to change.
Right-click and select Move Target.
Click and drag to rotate the mark so it is pointing in a different direction.
Right-click and select View Elevation to see the result.