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 Tools. All drawing tools you need are surprisingly simple. One of the best things on drawing is that you can start right away with inconsiderable investment. I took some photos of the drawing tools that I use for drawings on my website. Since I currently live in Japan, I have available only Japanese drawing instruments and I can tell you they are fantastic. These products are manufactured with such delicacy and sense for details.