A Title is a single line of text shown at the very top of a diagram.
Menu: Diagram | Title
You can configure title:
Title text can include superscript and subscript portions, e.g.:
Title with ""Superscript"" and ..Subscript..
Superscript text is surrounded by a pair of quotation marks, and subscript text is surrounded by a pair of dots.
Title alignment (3 positions)
Title with superscript & subscript