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....
Walkthrough: Using Automation to Write a Letter in Microsoft Office Word. Automation lets you use the capabilities and features of Microsoft Office products, such as Microsoft Office Word or Microsoft Office Excel, in your Microsoft Dynamics NAV 2009 application. In this walkthrough, you will implement Word Automation from a Customer Card in the Classic client and RoleTailored client.