Question

what are the four font properties in graphics window​

Answer 1

FontBold

If GraphicsWindow.FontBold is "True", font characters become thick.  Default GraphicsWindow.FontBold value is "True".

FontItalic

If GraphicsWindow.FontItalic is "True", font characters become slant.  Default GraphicsWindow.FontItalic value is "False".

FontName

GraphicsWindow.FontName contains font face name.

FontSize

GraphicsWindow.FontSize means the height [pixels] of characters.  In some fonts such like "Tahoma", FontSize means the height between the top line and baseline.  In some fonts such like "Courier New", FontSize means the height between the top line and the bottom line.  You can recognize this with a sample program Font Sample 0.1 described below.

Answer 2

Answer:

Font size

front bold

graphic window