The Note is an optional text shown in a corner of the 3D scene:
The Visible box determines whether or not the Note is shown. First introduce the text in the dedicated field and enable the Set Note Text to make it available into the 3D scene.
There are four ways of text positioning based on the selected Corner (in order from left to right): upper left corner, upper right corner, lower left corner and lower right corner
Adjust the text Depth using the slider. The text color and size can be defined using the Color and the Font selection respectively.