The description of these behaviors is termed the mechanism. When scientists are not provided with such a mechanism, then a description of a process, it's explanation, or it's understanding, is questioned. Astrology does not work with mechanisms. It works with relationships, patterns, tendencies, and interpretations. It does not always give a yes or no answer.
I hate the Drawing Canvas and I understand that it's not backward compatible, so I never use it. To turn it off in Word 2002 and above, go to Tools 4 Options, General tab. Untick Automatically create drawing canvas....
Drawing Methods. An enormous number of tools and implements can be used to draw, including slate pencils, metal styli, charcoal, and chalks, as well as traditional pens, pencils, and brushes, fountain pens, ball-point pens, and felt pencils; indeed, even chisels and diamonds are used for drawing.