Elevation features can be added either by tracing them manually on the screen, or by loading them in from a file. Outlines and contour lines can be loaded from a CAD file (.dwg, .dxf) whereas Point Levels can be loaded from either a CAD file or from an excel or text data file.
To add a new feature, select the feature type that you want to create ① and then click either Add Manually ② or Add from File ③.
For more information on tracing elevation features on the screen see Adding features Manually. For more information on loading a CAD file see Adding dxf Features, and for point data files see Loading Points from a File.