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....
To display the Reviewing toolbar, select Toolbars from the View menu and then make sure Reviewing is selected. The toolbar normally appears at the top of the Word document, just above the Ruler. In Word 97 and Word 2000, the tools included on the toolbar are divided into four major categories:1  Comments.f you do quite a bit of work using either the comments feature of Word or the track changes feature, you may appreciate the use of the Reviewing toolbar.