During the execution of some functions, Object analysis for example , additional decorations may be plotted on the image. In other functions (Enum Features) a large number of marks appears. Finally, you can plot many curves and marks yourself.

It is very inconvenient to work with this images. Of course, you are able to remove curves and marks one by one in manual regime, but it is much more comfortable to remove them automaticaly with menu command View → Clear. Select the desired item in the drop-down menu – Curve, Marks or Decorations.