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....
Adobe Creative Suite 5 Design Premium All-in-One For Dummies. Adobe Acrobat Creative Suite 5 includes tools that make it easy to convert Microsoft Word and Excel files to PDF. When you install Acrobat on your computer, it looks for Microsoft Office programs. If Acrobat locates Word, Excel, PowerPoint, or Outlook, it installs an add-in â the PDF Maker â to these programs that helps convert Microsoft Office documents to PDF in a single click.