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....
Bring up the Drawing toolbar (Tools | Customize | Toolbars | Drawing). 1  Click AutoShapes and pick one of the Callouts. Click on the document and drag to create a picture. 2  Right-click on the autoshape and pick Format AutoShape. Format it the way you want all new autoshapes to appear. Click OK.