The easiest way is not to bother with a text at all, but instead use an annotation, since such an object will be (at least by default) above the axes (and thus, anything plotted inside them).
The trick with annotation objects, is that counter-intuitively, we need not use a TextBox, but instead a TextArrow, while making the arrow itself invisible.
The easiest way is not to bother with a
textat all, but instead use anannotation, since such an object will be (at least by default) above the axes (and thus, anything plotted inside them).The trick with
annotationobjects, is that counter-intuitively, we need not use aTextBox, but instead aTextArrow, while making the arrow itself invisible.For example: